1206551640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{16139}}^1$

素因数の和:16249

約数の個数: 128

約数和(自身を含む): 4183488000

約数和(自身を除く): 2976936360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 89, 105, 120, 140, 168, 178, 210, 267, 280, 356, 420, 445, 534, 623, 712, 840, 890, 1068, 1246, 1335, 1780, 1869, 2136, 2492, 2670, 3115, 3560, 3738, 4984, 5340, 6230, 7476, 9345, 10680, 12460, 14952, 16139, 18690, 24920, 32278, 37380, 48417, 64556, 74760, 80695, 96834, 112973, 129112, 161390, 193668, 225946, 242085, 322780, 338919, 387336, 451892, 484170, 564865, 645560, 677838, 903784, 968340, 1129730, 1355676, 1436371, 1694595, 1936680, 2259460, 2711352, 2872742, 3389190, 4309113, 4518920, 5745484, 6778380, 7181855, 8618226, 10054597, 11490968, 13556760, 14363710, 17236452, 20109194, 21545565, 28727420, 30163791, 34472904, 40218388, 43091130, 50272985, 57454840, 60327582, 80436776, 86182260, 100545970, 120655164, 150818955, 172364520, 201091940, 241310328, 301637910, 402183880, 603275820, 1206551640]

約数ペア:

[(1, 1206551640), (2, 603275820), (3, 402183880), (4, 301637910), (5, 241310328), (6, 201091940), (7, 172364520), (8, 150818955), (10, 120655164), (12, 100545970), (14, 86182260), (15, 80436776), (20, 60327582), (21, 57454840), (24, 50272985), (28, 43091130), (30, 40218388), (35, 34472904), (40, 30163791), (42, 28727420), (56, 21545565), (60, 20109194), (70, 17236452), (84, 14363710), (89, 13556760), (105, 11490968), (120, 10054597), (140, 8618226), (168, 7181855), (178, 6778380), (210, 5745484), (267, 4518920), (280, 4309113), (356, 3389190), (420, 2872742), (445, 2711352), (534, 2259460), (623, 1936680), (712, 1694595), (840, 1436371), (890, 1355676), (1068, 1129730), (1246, 968340), (1335, 903784), (1780, 677838), (1869, 645560), (2136, 564865), (2492, 484170), (2670, 451892), (3115, 387336), (3560, 338919), (3738, 322780), (4984, 242085), (5340, 225946), (6230, 193668), (7476, 161390), (9345, 129112), (10680, 112973), (12460, 96834), (14952, 80695), (16139, 74760), (18690, 64556), (24920, 48417), (32278, 37380)]