28905388680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{4637}}^1$

素因数の和:4880

約数の個数: 256

約数和(自身を含む): 102104271360

約数和(自身を除く): 73198882680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 41, 42, 56, 60, 70, 82, 84, 105, 120, 123, 140, 164, 168, 181, 205, 210, 246, 280, 287, 328, 362, 410, 420, 492, 543, 574, 615, 724, 820, 840, 861, 905, 984, 1086, 1148, 1230, 1267, 1435, 1448, 1640, 1722, 1810, 2172, 2296, 2460, 2534, 2715, 2870, 3444, 3620, 3801, 4305, 4344, 4637, 4920, 5068, 5430, 5740, 6335, 6888, 7240, 7421, 7602, 8610, 9274, 10136, 10860, 11480, 12670, 13911, 14842, 15204, 17220, 18548, 19005, 21720, 22263, 23185, 25340, 27822, 29684, 30408, 32459, 34440, 37096, 37105, 38010, 44526, 46370, 50680, 51947, 55644, 59368, 64918, 69555, 74210, 76020, 89052, 92740, 97377, 103894, 111288, 111315, 129836, 139110, 148420, 152040, 155841, 162295, 178104, 185480, 190117, 194754, 207788, 222630, 259672, 259735, 278220, 296840, 311682, 324590, 380234, 389508, 415576, 445260, 486885, 519470, 556440, 570351, 623364, 649180, 760468, 779016, 779205, 839297, 890520, 950585, 973770, 1038940, 1140702, 1246728, 1298360, 1330819, 1520936, 1558410, 1678594, 1901170, 1947540, 2077880, 2281404, 2517891, 2661638, 2851755, 3116820, 3357188, 3802340, 3895080, 3992457, 4196485, 4562808, 5035782, 5323276, 5703510, 5875079, 6233640, 6654095, 6714376, 7604680, 7984914, 8392970, 10071564, 10646552, 11407020, 11750158, 12589455, 13308190, 15969828, 16785940, 17625237, 19962285, 20143128, 22814040, 23500316, 25178910, 26616380, 29375395, 31939656, 33571880, 34411177, 35250474, 39924570, 47000632, 50357820, 53232760, 58750790, 68822354, 70500948, 79849140, 88126185, 100715640, 103233531, 117501580, 137644708, 141001896, 159698280, 172055885, 176252370, 206467062, 235003160, 240878239, 275289416, 344111770, 352504740, 412934124, 481756478, 516167655, 688223540, 705009480, 722634717, 825868248, 963512956, 1032335310, 1204391195, 1376447080, 1445269434, 1927025912, 2064670620, 2408782390, 2890538868, 3613173585, 4129341240, 4817564780, 5781077736, 7226347170, 9635129560, 14452694340, 28905388680]

約数ペア:

[(1, 28905388680), (2, 14452694340), (3, 9635129560), (4, 7226347170), (5, 5781077736), (6, 4817564780), (7, 4129341240), (8, 3613173585), (10, 2890538868), (12, 2408782390), (14, 2064670620), (15, 1927025912), (20, 1445269434), (21, 1376447080), (24, 1204391195), (28, 1032335310), (30, 963512956), (35, 825868248), (40, 722634717), (41, 705009480), (42, 688223540), (56, 516167655), (60, 481756478), (70, 412934124), (82, 352504740), (84, 344111770), (105, 275289416), (120, 240878239), (123, 235003160), (140, 206467062), (164, 176252370), (168, 172055885), (181, 159698280), (205, 141001896), (210, 137644708), (246, 117501580), (280, 103233531), (287, 100715640), (328, 88126185), (362, 79849140), (410, 70500948), (420, 68822354), (492, 58750790), (543, 53232760), (574, 50357820), (615, 47000632), (724, 39924570), (820, 35250474), (840, 34411177), (861, 33571880), (905, 31939656), (984, 29375395), (1086, 26616380), (1148, 25178910), (1230, 23500316), (1267, 22814040), (1435, 20143128), (1448, 19962285), (1640, 17625237), (1722, 16785940), (1810, 15969828), (2172, 13308190), (2296, 12589455), (2460, 11750158), (2534, 11407020), (2715, 10646552), (2870, 10071564), (3444, 8392970), (3620, 7984914), (3801, 7604680), (4305, 6714376), (4344, 6654095), (4637, 6233640), (4920, 5875079), (5068, 5703510), (5430, 5323276), (5740, 5035782), (6335, 4562808), (6888, 4196485), (7240, 3992457), (7421, 3895080), (7602, 3802340), (8610, 3357188), (9274, 3116820), (10136, 2851755), (10860, 2661638), (11480, 2517891), (12670, 2281404), (13911, 2077880), (14842, 1947540), (15204, 1901170), (17220, 1678594), (18548, 1558410), (19005, 1520936), (21720, 1330819), (22263, 1298360), (23185, 1246728), (25340, 1140702), (27822, 1038940), (29684, 973770), (30408, 950585), (32459, 890520), (34440, 839297), (37096, 779205), (37105, 779016), (38010, 760468), (44526, 649180), (46370, 623364), (50680, 570351), (51947, 556440), (55644, 519470), (59368, 486885), (64918, 445260), (69555, 415576), (74210, 389508), (76020, 380234), (89052, 324590), (92740, 311682), (97377, 296840), (103894, 278220), (111288, 259735), (111315, 259672), (129836, 222630), (139110, 207788), (148420, 194754), (152040, 190117), (155841, 185480), (162295, 178104)]