20285176680

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{521}}^1$

素因数の和:802

約数の個数: 320

約数和(自身を含む): 69783904080

約数和(自身を除く): 49498727400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 61, 72, 81, 90, 108, 120, 122, 135, 162, 180, 183, 197, 216, 244, 270, 305, 324, 360, 366, 394, 405, 488, 521, 540, 549, 591, 610, 648, 732, 788, 810, 915, 985, 1042, 1080, 1098, 1182, 1220, 1464, 1563, 1576, 1620, 1647, 1773, 1830, 1970, 2084, 2196, 2364, 2440, 2605, 2745, 2955, 3126, 3240, 3294, 3546, 3660, 3940, 4168, 4392, 4689, 4728, 4941, 5210, 5319, 5490, 5910, 6252, 6588, 7092, 7320, 7815, 7880, 8235, 8865, 9378, 9882, 10420, 10638, 10980, 11820, 12017, 12504, 13176, 14067, 14184, 15630, 15957, 16470, 17730, 18756, 19764, 20840, 21276, 21960, 23445, 23640, 24034, 24705, 26595, 28134, 31260, 31781, 31914, 32940, 35460, 36051, 37512, 39528, 42201, 42552, 46890, 48068, 49410, 53190, 56268, 60085, 62520, 63562, 63828, 65880, 70335, 70920, 72102, 79785, 84402, 93780, 95343, 96136, 98820, 102637, 106380, 108153, 112536, 120170, 127124, 127656, 140670, 144204, 158905, 159570, 168804, 180255, 187560, 190686, 197640, 205274, 211005, 212760, 216306, 240340, 254248, 281340, 286029, 288408, 307911, 317810, 319140, 324459, 337608, 360510, 381372, 410548, 422010, 432612, 476715, 480680, 513185, 540765, 562680, 572058, 615822, 635620, 638280, 648918, 721020, 762744, 821096, 844020, 858087, 865224, 923733, 953430, 973377, 1026370, 1081530, 1144116, 1231644, 1271240, 1297836, 1430145, 1442040, 1539555, 1622295, 1688040, 1716174, 1847466, 1906860, 1946754, 2052740, 2163060, 2288232, 2463288, 2574261, 2595672, 2771199, 2860290, 3079110, 3244590, 3432348, 3694932, 3813720, 3893508, 4105480, 4290435, 4326120, 4618665, 4866885, 5148522, 5542398, 5720580, 6158220, 6260857, 6489180, 6864696, 7389864, 7787016, 8313597, 8580870, 9237330, 9733770, 10297044, 11084796, 11441160, 12316440, 12521714, 12871305, 12978360, 13855995, 16627194, 17161740, 18474660, 18782571, 19467540, 20594088, 22169592, 25043428, 25742610, 27711990, 31304285, 33254388, 34323480, 36949320, 37565142, 38935080, 41567985, 50086856, 51485220, 55423980, 56347713, 62608570, 66508776, 75130284, 83135970, 93912855, 102970440, 110847960, 112695426, 125217140, 150260568, 166271940, 169043139, 187825710, 225390852, 250434280, 281738565, 332543880, 338086278, 375651420, 450781704, 507129417, 563477130, 676172556, 751302840, 845215695, 1014258834, 1126954260, 1352345112, 1690431390, 2028517668, 2253908520, 2535647085, 3380862780, 4057035336, 5071294170, 6761725560, 10142588340, 20285176680]

約数ペア:

[(1, 20285176680), (2, 10142588340), (3, 6761725560), (4, 5071294170), (5, 4057035336), (6, 3380862780), (8, 2535647085), (9, 2253908520), (10, 2028517668), (12, 1690431390), (15, 1352345112), (18, 1126954260), (20, 1014258834), (24, 845215695), (27, 751302840), (30, 676172556), (36, 563477130), (40, 507129417), (45, 450781704), (54, 375651420), (60, 338086278), (61, 332543880), (72, 281738565), (81, 250434280), (90, 225390852), (108, 187825710), (120, 169043139), (122, 166271940), (135, 150260568), (162, 125217140), (180, 112695426), (183, 110847960), (197, 102970440), (216, 93912855), (244, 83135970), (270, 75130284), (305, 66508776), (324, 62608570), (360, 56347713), (366, 55423980), (394, 51485220), (405, 50086856), (488, 41567985), (521, 38935080), (540, 37565142), (549, 36949320), (591, 34323480), (610, 33254388), (648, 31304285), (732, 27711990), (788, 25742610), (810, 25043428), (915, 22169592), (985, 20594088), (1042, 19467540), (1080, 18782571), (1098, 18474660), (1182, 17161740), (1220, 16627194), (1464, 13855995), (1563, 12978360), (1576, 12871305), (1620, 12521714), (1647, 12316440), (1773, 11441160), (1830, 11084796), (1970, 10297044), (2084, 9733770), (2196, 9237330), (2364, 8580870), (2440, 8313597), (2605, 7787016), (2745, 7389864), (2955, 6864696), (3126, 6489180), (3240, 6260857), (3294, 6158220), (3546, 5720580), (3660, 5542398), (3940, 5148522), (4168, 4866885), (4392, 4618665), (4689, 4326120), (4728, 4290435), (4941, 4105480), (5210, 3893508), (5319, 3813720), (5490, 3694932), (5910, 3432348), (6252, 3244590), (6588, 3079110), (7092, 2860290), (7320, 2771199), (7815, 2595672), (7880, 2574261), (8235, 2463288), (8865, 2288232), (9378, 2163060), (9882, 2052740), (10420, 1946754), (10638, 1906860), (10980, 1847466), (11820, 1716174), (12017, 1688040), (12504, 1622295), (13176, 1539555), (14067, 1442040), (14184, 1430145), (15630, 1297836), (15957, 1271240), (16470, 1231644), (17730, 1144116), (18756, 1081530), (19764, 1026370), (20840, 973377), (21276, 953430), (21960, 923733), (23445, 865224), (23640, 858087), (24034, 844020), (24705, 821096), (26595, 762744), (28134, 721020), (31260, 648918), (31781, 638280), (31914, 635620), (32940, 615822), (35460, 572058), (36051, 562680), (37512, 540765), (39528, 513185), (42201, 480680), (42552, 476715), (46890, 432612), (48068, 422010), (49410, 410548), (53190, 381372), (56268, 360510), (60085, 337608), (62520, 324459), (63562, 319140), (63828, 317810), (65880, 307911), (70335, 288408), (70920, 286029), (72102, 281340), (79785, 254248), (84402, 240340), (93780, 216306), (95343, 212760), (96136, 211005), (98820, 205274), (102637, 197640), (106380, 190686), (108153, 187560), (112536, 180255), (120170, 168804), (127124, 159570), (127656, 158905), (140670, 144204)]