621712260

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:644

約数の個数: 240

約数和(自身を含む): 2143831536

約数和(自身を除く): 1522119276

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 53, 54, 60, 65, 78, 81, 90, 106, 108, 117, 130, 135, 156, 159, 162, 180, 195, 212, 234, 260, 265, 270, 318, 324, 351, 390, 405, 468, 477, 530, 540, 557, 585, 636, 689, 702, 780, 795, 810, 954, 1053, 1060, 1114, 1170, 1378, 1404, 1431, 1590, 1620, 1671, 1755, 1908, 2067, 2106, 2228, 2340, 2385, 2756, 2785, 2862, 3180, 3342, 3445, 3510, 4134, 4212, 4293, 4770, 5013, 5265, 5570, 5724, 6201, 6684, 6890, 7020, 7155, 7241, 8268, 8355, 8586, 9540, 10026, 10335, 10530, 11140, 12402, 13780, 14310, 14482, 15039, 16710, 17172, 18603, 20052, 20670, 21060, 21465, 21723, 24804, 25065, 28620, 28964, 29521, 30078, 31005, 33420, 36205, 37206, 41340, 42930, 43446, 45117, 50130, 55809, 59042, 60156, 62010, 65169, 72410, 74412, 75195, 85860, 86892, 88563, 90234, 93015, 100260, 108615, 111618, 118084, 124020, 130338, 144820, 147605, 150390, 177126, 180468, 186030, 195507, 217230, 223236, 225585, 260676, 265689, 279045, 295210, 300780, 325845, 354252, 372060, 383773, 391014, 434460, 442815, 451170, 531378, 558090, 586521, 590420, 651690, 767546, 782028, 797067, 885630, 902340, 977535, 1062756, 1116180, 1151319, 1173042, 1303380, 1328445, 1535092, 1594134, 1771260, 1918865, 1955070, 2302638, 2346084, 2391201, 2656890, 2932605, 3188268, 3453957, 3837730, 3910140, 3985335, 4605276, 4782402, 5313780, 5756595, 5865210, 6907914, 7675460, 7970670, 9564804, 10361871, 11513190, 11730420, 11956005, 13815828, 15941340, 17269785, 20723742, 23026380, 23912010, 31085613, 34539570, 41447484, 47824020, 51809355, 62171226, 69079140, 103618710, 124342452, 155428065, 207237420, 310856130, 621712260]

約数ペア:

[(1, 621712260), (2, 310856130), (3, 207237420), (4, 155428065), (5, 124342452), (6, 103618710), (9, 69079140), (10, 62171226), (12, 51809355), (13, 47824020), (15, 41447484), (18, 34539570), (20, 31085613), (26, 23912010), (27, 23026380), (30, 20723742), (36, 17269785), (39, 15941340), (45, 13815828), (52, 11956005), (53, 11730420), (54, 11513190), (60, 10361871), (65, 9564804), (78, 7970670), (81, 7675460), (90, 6907914), (106, 5865210), (108, 5756595), (117, 5313780), (130, 4782402), (135, 4605276), (156, 3985335), (159, 3910140), (162, 3837730), (180, 3453957), (195, 3188268), (212, 2932605), (234, 2656890), (260, 2391201), (265, 2346084), (270, 2302638), (318, 1955070), (324, 1918865), (351, 1771260), (390, 1594134), (405, 1535092), (468, 1328445), (477, 1303380), (530, 1173042), (540, 1151319), (557, 1116180), (585, 1062756), (636, 977535), (689, 902340), (702, 885630), (780, 797067), (795, 782028), (810, 767546), (954, 651690), (1053, 590420), (1060, 586521), (1114, 558090), (1170, 531378), (1378, 451170), (1404, 442815), (1431, 434460), (1590, 391014), (1620, 383773), (1671, 372060), (1755, 354252), (1908, 325845), (2067, 300780), (2106, 295210), (2228, 279045), (2340, 265689), (2385, 260676), (2756, 225585), (2785, 223236), (2862, 217230), (3180, 195507), (3342, 186030), (3445, 180468), (3510, 177126), (4134, 150390), (4212, 147605), (4293, 144820), (4770, 130338), (5013, 124020), (5265, 118084), (5570, 111618), (5724, 108615), (6201, 100260), (6684, 93015), (6890, 90234), (7020, 88563), (7155, 86892), (7241, 85860), (8268, 75195), (8355, 74412), (8586, 72410), (9540, 65169), (10026, 62010), (10335, 60156), (10530, 59042), (11140, 55809), (12402, 50130), (13780, 45117), (14310, 43446), (14482, 42930), (15039, 41340), (16710, 37206), (17172, 36205), (18603, 33420), (20052, 31005), (20670, 30078), (21060, 29521), (21465, 28964), (21723, 28620), (24804, 25065)]