261568440

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{607}}^1$

素因数の和:656

約数の個数: 320

約数和(自身を含む): 1059379200

約数和(自身を除く): 797810760

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, 607, 630, 648, 665, 684, 756, 760, 798, 810, 840, 855, 945, 1026, 1064, 1080, 1134, 1140, 1197, 1214, 1260, 1330, 1368, 1512, 1539, 1596, 1620, 1710, 1821, 1890, 1995, 2052, 2268, 2280, 2394, 2428, 2520, 2565, 2660, 2835, 3035, 3078, 3192, 3240, 3420, 3591, 3642, 3780, 3990, 4104, 4249, 4536, 4788, 4856, 5130, 5320, 5463, 5670, 5985, 6070, 6156, 6840, 7182, 7284, 7560, 7695, 7980, 8498, 9105, 9576, 10260, 10773, 10926, 11340, 11533, 11970, 12140, 12312, 12747, 14364, 14568, 15390, 15960, 16389, 16996, 17955, 18210, 20520, 21245, 21546, 21852, 22680, 23066, 23940, 24280, 25494, 27315, 28728, 30780, 32778, 33992, 34599, 35910, 36420, 38241, 42490, 43092, 43704, 46132, 47880, 49167, 50988, 53865, 54630, 57665, 61560, 63735, 65556, 69198, 71820, 72840, 76482, 80731, 81945, 84980, 86184, 92264, 98334, 101976, 103797, 107730, 109260, 114723, 115330, 127470, 131112, 138396, 143640, 152964, 161462, 163890, 169960, 172995, 191205, 196668, 207594, 215460, 218520, 229446, 230660, 242193, 245835, 254940, 276792, 305928, 311391, 322924, 327780, 344169, 345990, 382410, 393336, 403655, 415188, 430920, 458892, 461320, 484386, 491670, 509880, 518985, 573615, 622782, 645848, 655560, 688338, 691980, 726579, 764820, 807310, 830376, 917784, 934173, 968772, 983340, 1037970, 1147230, 1210965, 1245564, 1376676, 1383960, 1453158, 1529640, 1556955, 1614620, 1720845, 1868346, 1937544, 1966680, 2075940, 2179737, 2294460, 2421930, 2491128, 2753352, 2906316, 3113910, 3229240, 3441690, 3632895, 3736692, 4151880, 4359474, 4588920, 4670865, 4843860, 5812632, 6227820, 6539211, 6883380, 7265790, 7473384, 8718948, 9341730, 9687720, 10898685, 12455640, 13078422, 13766760, 14531580, 17437896, 18683460, 21797370, 26156844, 29063160, 32696055, 37366920, 43594740, 52313688, 65392110, 87189480, 130784220, 261568440]

約数ペア:

[(1, 261568440), (2, 130784220), (3, 87189480), (4, 65392110), (5, 52313688), (6, 43594740), (7, 37366920), (8, 32696055), (9, 29063160), (10, 26156844), (12, 21797370), (14, 18683460), (15, 17437896), (18, 14531580), (19, 13766760), (20, 13078422), (21, 12455640), (24, 10898685), (27, 9687720), (28, 9341730), (30, 8718948), (35, 7473384), (36, 7265790), (38, 6883380), (40, 6539211), (42, 6227820), (45, 5812632), (54, 4843860), (56, 4670865), (57, 4588920), (60, 4359474), (63, 4151880), (70, 3736692), (72, 3632895), (76, 3441690), (81, 3229240), (84, 3113910), (90, 2906316), (95, 2753352), (105, 2491128), (108, 2421930), (114, 2294460), (120, 2179737), (126, 2075940), (133, 1966680), (135, 1937544), (140, 1868346), (152, 1720845), (162, 1614620), (168, 1556955), (171, 1529640), (180, 1453158), (189, 1383960), (190, 1376676), (210, 1245564), (216, 1210965), (228, 1147230), (252, 1037970), (266, 983340), (270, 968772), (280, 934173), (285, 917784), (315, 830376), (324, 807310), (342, 764820), (360, 726579), (378, 691980), (380, 688338), (399, 655560), (405, 645848), (420, 622782), (456, 573615), (504, 518985), (513, 509880), (532, 491670), (540, 484386), (567, 461320), (570, 458892), (607, 430920), (630, 415188), (648, 403655), (665, 393336), (684, 382410), (756, 345990), (760, 344169), (798, 327780), (810, 322924), (840, 311391), (855, 305928), (945, 276792), (1026, 254940), (1064, 245835), (1080, 242193), (1134, 230660), (1140, 229446), (1197, 218520), (1214, 215460), (1260, 207594), (1330, 196668), (1368, 191205), (1512, 172995), (1539, 169960), (1596, 163890), (1620, 161462), (1710, 152964), (1821, 143640), (1890, 138396), (1995, 131112), (2052, 127470), (2268, 115330), (2280, 114723), (2394, 109260), (2428, 107730), (2520, 103797), (2565, 101976), (2660, 98334), (2835, 92264), (3035, 86184), (3078, 84980), (3192, 81945), (3240, 80731), (3420, 76482), (3591, 72840), (3642, 71820), (3780, 69198), (3990, 65556), (4104, 63735), (4249, 61560), (4536, 57665), (4788, 54630), (4856, 53865), (5130, 50988), (5320, 49167), (5463, 47880), (5670, 46132), (5985, 43704), (6070, 43092), (6156, 42490), (6840, 38241), (7182, 36420), (7284, 35910), (7560, 34599), (7695, 33992), (7980, 32778), (8498, 30780), (9105, 28728), (9576, 27315), (10260, 25494), (10773, 24280), (10926, 23940), (11340, 23066), (11533, 22680), (11970, 21852), (12140, 21546), (12312, 21245), (12747, 20520), (14364, 18210), (14568, 17955), (15390, 16996), (15960, 16389)]