1581310640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{773}}^1$

素因数の和:1087

約数の個数: 160

約数和(自身を含む): 4546958976

約数和(自身を除く): 2965648336

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 281, 364, 455, 520, 560, 562, 728, 773, 910, 1040, 1124, 1405, 1456, 1546, 1820, 1967, 2248, 2810, 3092, 3640, 3653, 3865, 3934, 4496, 5411, 5620, 6184, 7280, 7306, 7730, 7868, 9835, 10049, 10822, 11240, 12368, 14612, 15460, 15736, 18265, 19670, 20098, 21644, 22480, 25571, 27055, 29224, 30920, 31472, 36530, 39340, 40196, 43288, 50245, 51142, 54110, 58448, 61840, 70343, 73060, 78680, 80392, 86576, 100490, 102284, 108220, 127855, 140686, 146120, 157360, 160784, 200980, 204568, 216440, 217213, 255710, 281372, 292240, 351715, 401960, 409136, 432880, 434426, 511420, 562744, 703430, 803920, 868852, 1022840, 1086065, 1125488, 1406860, 1520491, 1737704, 2045680, 2172130, 2813720, 2823769, 3040982, 3475408, 4344260, 5627440, 5647538, 6081964, 7602455, 8688520, 11295076, 12163928, 14118845, 15204910, 17377040, 19766383, 22590152, 24327856, 28237690, 30409820, 39532766, 45180304, 56475380, 60819640, 79065532, 98831915, 112950760, 121639280, 158131064, 197663830, 225901520, 316262128, 395327660, 790655320, 1581310640]

約数ペア:

[(1, 1581310640), (2, 790655320), (4, 395327660), (5, 316262128), (7, 225901520), (8, 197663830), (10, 158131064), (13, 121639280), (14, 112950760), (16, 98831915), (20, 79065532), (26, 60819640), (28, 56475380), (35, 45180304), (40, 39532766), (52, 30409820), (56, 28237690), (65, 24327856), (70, 22590152), (80, 19766383), (91, 17377040), (104, 15204910), (112, 14118845), (130, 12163928), (140, 11295076), (182, 8688520), (208, 7602455), (260, 6081964), (280, 5647538), (281, 5627440), (364, 4344260), (455, 3475408), (520, 3040982), (560, 2823769), (562, 2813720), (728, 2172130), (773, 2045680), (910, 1737704), (1040, 1520491), (1124, 1406860), (1405, 1125488), (1456, 1086065), (1546, 1022840), (1820, 868852), (1967, 803920), (2248, 703430), (2810, 562744), (3092, 511420), (3640, 434426), (3653, 432880), (3865, 409136), (3934, 401960), (4496, 351715), (5411, 292240), (5620, 281372), (6184, 255710), (7280, 217213), (7306, 216440), (7730, 204568), (7868, 200980), (9835, 160784), (10049, 157360), (10822, 146120), (11240, 140686), (12368, 127855), (14612, 108220), (15460, 102284), (15736, 100490), (18265, 86576), (19670, 80392), (20098, 78680), (21644, 73060), (22480, 70343), (25571, 61840), (27055, 58448), (29224, 54110), (30920, 51142), (31472, 50245), (36530, 43288), (39340, 40196)]