1578870920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:700

約数の個数: 192

約数和(自身を含む): 4274726400

約数和(自身を除く): 2695855480

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 31, 34, 40, 44, 55, 62, 68, 85, 88, 110, 121, 124, 136, 155, 170, 187, 220, 242, 248, 310, 340, 341, 374, 440, 484, 527, 605, 619, 620, 680, 682, 748, 935, 968, 1054, 1210, 1238, 1240, 1364, 1496, 1705, 1870, 2057, 2108, 2420, 2476, 2635, 2728, 3095, 3410, 3740, 3751, 4114, 4216, 4840, 4952, 5270, 5797, 6190, 6809, 6820, 7480, 7502, 8228, 10285, 10523, 10540, 11594, 12380, 13618, 13640, 15004, 16456, 18755, 19189, 20570, 21046, 21080, 23188, 24760, 27236, 28985, 30008, 34045, 37510, 38378, 41140, 42092, 46376, 52615, 54472, 57970, 63767, 68090, 74899, 75020, 76756, 82280, 84184, 95945, 105230, 115753, 115940, 127534, 136180, 149798, 150040, 153512, 191890, 210460, 211079, 231506, 231880, 255068, 272360, 299596, 318835, 326213, 374495, 383780, 420920, 422158, 463012, 510136, 578765, 599192, 637670, 652426, 748990, 767560, 844316, 926024, 1055395, 1157530, 1273283, 1275340, 1304852, 1497980, 1631065, 1688632, 2110790, 2315060, 2321869, 2546566, 2550680, 2609704, 2995960, 3262130, 3588343, 4221580, 4630120, 4643738, 5093132, 6366415, 6524260, 7176686, 8443160, 9287476, 10186264, 11609345, 12732830, 13048520, 14353372, 17941715, 18574952, 23218690, 25465660, 28706744, 35883430, 39471773, 46437380, 50931320, 71766860, 78943546, 92874760, 143533720, 157887092, 197358865, 315774184, 394717730, 789435460, 1578870920]

約数ペア:

[(1, 1578870920), (2, 789435460), (4, 394717730), (5, 315774184), (8, 197358865), (10, 157887092), (11, 143533720), (17, 92874760), (20, 78943546), (22, 71766860), (31, 50931320), (34, 46437380), (40, 39471773), (44, 35883430), (55, 28706744), (62, 25465660), (68, 23218690), (85, 18574952), (88, 17941715), (110, 14353372), (121, 13048520), (124, 12732830), (136, 11609345), (155, 10186264), (170, 9287476), (187, 8443160), (220, 7176686), (242, 6524260), (248, 6366415), (310, 5093132), (340, 4643738), (341, 4630120), (374, 4221580), (440, 3588343), (484, 3262130), (527, 2995960), (605, 2609704), (619, 2550680), (620, 2546566), (680, 2321869), (682, 2315060), (748, 2110790), (935, 1688632), (968, 1631065), (1054, 1497980), (1210, 1304852), (1238, 1275340), (1240, 1273283), (1364, 1157530), (1496, 1055395), (1705, 926024), (1870, 844316), (2057, 767560), (2108, 748990), (2420, 652426), (2476, 637670), (2635, 599192), (2728, 578765), (3095, 510136), (3410, 463012), (3740, 422158), (3751, 420920), (4114, 383780), (4216, 374495), (4840, 326213), (4952, 318835), (5270, 299596), (5797, 272360), (6190, 255068), (6809, 231880), (6820, 231506), (7480, 211079), (7502, 210460), (8228, 191890), (10285, 153512), (10523, 150040), (10540, 149798), (11594, 136180), (12380, 127534), (13618, 115940), (13640, 115753), (15004, 105230), (16456, 95945), (18755, 84184), (19189, 82280), (20570, 76756), (21046, 75020), (21080, 74899), (23188, 68090), (24760, 63767), (27236, 57970), (28985, 54472), (30008, 52615), (34045, 46376), (37510, 42092), (38378, 41140)]