255535560

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{593}}^1$

素因数の和:642

約数の個数: 320

約数和(自身を含む): 1034985600

約数和(自身を除く): 779450040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 54, 56, 57, 60, 63, 70, 72, 76, 81, 84, 90, 95, 105, 108, 114, 120, 126, 133, 135, 140, 152, 162, 168, 171, 180, 189, 190, 210, 216, 228, 252, 266, 270, 280, 285, 315, 324, 342, 360, 378, 380, 399, 405, 420, 456, 504, 513, 532, 540, 567, 570, 593, 630, 648, 665, 684, 756, 760, 798, 810, 840, 855, 945, 1026, 1064, 1080, 1134, 1140, 1186, 1197, 1260, 1330, 1368, 1512, 1539, 1596, 1620, 1710, 1779, 1890, 1995, 2052, 2268, 2280, 2372, 2394, 2520, 2565, 2660, 2835, 2965, 3078, 3192, 3240, 3420, 3558, 3591, 3780, 3990, 4104, 4151, 4536, 4744, 4788, 5130, 5320, 5337, 5670, 5930, 5985, 6156, 6840, 7116, 7182, 7560, 7695, 7980, 8302, 8895, 9576, 10260, 10674, 10773, 11267, 11340, 11860, 11970, 12312, 12453, 14232, 14364, 15390, 15960, 16011, 16604, 17790, 17955, 20520, 20755, 21348, 21546, 22534, 22680, 23720, 23940, 24906, 26685, 28728, 30780, 32022, 33208, 33801, 35580, 35910, 37359, 41510, 42696, 43092, 45068, 47880, 48033, 49812, 53370, 53865, 56335, 61560, 62265, 64044, 67602, 71160, 71820, 74718, 78869, 80055, 83020, 86184, 90136, 96066, 99624, 101403, 106740, 107730, 112077, 112670, 124530, 128088, 135204, 143640, 149436, 157738, 160110, 166040, 169005, 186795, 192132, 202806, 213480, 215460, 224154, 225340, 236607, 240165, 249060, 270408, 298872, 304209, 315476, 320220, 336231, 338010, 373590, 384264, 394345, 405612, 430920, 448308, 450680, 473214, 480330, 498120, 507015, 560385, 608418, 630952, 640440, 672462, 676020, 709821, 747180, 788690, 811224, 896616, 912627, 946428, 960660, 1014030, 1120770, 1183035, 1216836, 1344924, 1352040, 1419642, 1494360, 1521045, 1577380, 1681155, 1825254, 1892856, 1921320, 2028060, 2129463, 2241540, 2366070, 2433672, 2689848, 2839284, 3042090, 3154760, 3362310, 3549105, 3650508, 4056120, 4258926, 4483080, 4563135, 4732140, 5678568, 6084180, 6388389, 6724620, 7098210, 7301016, 8517852, 9126270, 9464280, 10647315, 12168360, 12776778, 13449240, 14196420, 17035704, 18252540, 21294630, 25553556, 28392840, 31941945, 36505080, 42589260, 51107112, 63883890, 85178520, 127767780, 255535560]

約数ペア:

[(1, 255535560), (2, 127767780), (3, 85178520), (4, 63883890), (5, 51107112), (6, 42589260), (7, 36505080), (8, 31941945), (9, 28392840), (10, 25553556), (12, 21294630), (14, 18252540), (15, 17035704), (18, 14196420), (19, 13449240), (20, 12776778), (21, 12168360), (24, 10647315), (27, 9464280), (28, 9126270), (30, 8517852), (35, 7301016), (36, 7098210), (38, 6724620), (40, 6388389), (42, 6084180), (45, 5678568), (54, 4732140), (56, 4563135), (57, 4483080), (60, 4258926), (63, 4056120), (70, 3650508), (72, 3549105), (76, 3362310), (81, 3154760), (84, 3042090), (90, 2839284), (95, 2689848), (105, 2433672), (108, 2366070), (114, 2241540), (120, 2129463), (126, 2028060), (133, 1921320), (135, 1892856), (140, 1825254), (152, 1681155), (162, 1577380), (168, 1521045), (171, 1494360), (180, 1419642), (189, 1352040), (190, 1344924), (210, 1216836), (216, 1183035), (228, 1120770), (252, 1014030), (266, 960660), (270, 946428), (280, 912627), (285, 896616), (315, 811224), (324, 788690), (342, 747180), (360, 709821), (378, 676020), (380, 672462), (399, 640440), (405, 630952), (420, 608418), (456, 560385), (504, 507015), (513, 498120), (532, 480330), (540, 473214), (567, 450680), (570, 448308), (593, 430920), (630, 405612), (648, 394345), (665, 384264), (684, 373590), (756, 338010), (760, 336231), (798, 320220), (810, 315476), (840, 304209), (855, 298872), (945, 270408), (1026, 249060), (1064, 240165), (1080, 236607), (1134, 225340), (1140, 224154), (1186, 215460), (1197, 213480), (1260, 202806), (1330, 192132), (1368, 186795), (1512, 169005), (1539, 166040), (1596, 160110), (1620, 157738), (1710, 149436), (1779, 143640), (1890, 135204), (1995, 128088), (2052, 124530), (2268, 112670), (2280, 112077), (2372, 107730), (2394, 106740), (2520, 101403), (2565, 99624), (2660, 96066), (2835, 90136), (2965, 86184), (3078, 83020), (3192, 80055), (3240, 78869), (3420, 74718), (3558, 71820), (3591, 71160), (3780, 67602), (3990, 64044), (4104, 62265), (4151, 61560), (4536, 56335), (4744, 53865), (4788, 53370), (5130, 49812), (5320, 48033), (5337, 47880), (5670, 45068), (5930, 43092), (5985, 42696), (6156, 41510), (6840, 37359), (7116, 35910), (7182, 35580), (7560, 33801), (7695, 33208), (7980, 32022), (8302, 30780), (8895, 28728), (9576, 26685), (10260, 24906), (10674, 23940), (10773, 23720), (11267, 22680), (11340, 22534), (11860, 21546), (11970, 21348), (12312, 20755), (12453, 20520), (14232, 17955), (14364, 17790), (15390, 16604), (15960, 16011)]