2648969680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{599}}^1$

素因数の和:821

約数の個数: 160

約数和(自身を含む): 7231680000

約数和(自身を除く): 4582710320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 149, 212, 265, 280, 298, 371, 424, 530, 560, 596, 599, 742, 745, 848, 1043, 1060, 1192, 1198, 1484, 1490, 1855, 2086, 2120, 2384, 2396, 2968, 2980, 2995, 3710, 4172, 4193, 4240, 4792, 5215, 5936, 5960, 5990, 7420, 7897, 8344, 8386, 9584, 10430, 11920, 11980, 14840, 15794, 16688, 16772, 20860, 20965, 23960, 29680, 31588, 31747, 33544, 39485, 41720, 41930, 47920, 55279, 63176, 63494, 67088, 78970, 83440, 83860, 89251, 110558, 126352, 126988, 157940, 158735, 167720, 178502, 221116, 222229, 253976, 276395, 315880, 317470, 335440, 357004, 442232, 444458, 446255, 507952, 552790, 624757, 631760, 634940, 714008, 884464, 888916, 892510, 1105580, 1111145, 1249514, 1269880, 1428016, 1777832, 1785020, 2211160, 2222290, 2499028, 2539760, 3123785, 3555664, 3570040, 4422320, 4444580, 4730303, 4998056, 6247570, 7140080, 8889160, 9460606, 9996112, 12495140, 17778320, 18921212, 23651515, 24990280, 33112121, 37842424, 47303030, 49980560, 66224242, 75684848, 94606060, 132448484, 165560605, 189212120, 264896968, 331121210, 378424240, 529793936, 662242420, 1324484840, 2648969680]

約数ペア:

[(1, 2648969680), (2, 1324484840), (4, 662242420), (5, 529793936), (7, 378424240), (8, 331121210), (10, 264896968), (14, 189212120), (16, 165560605), (20, 132448484), (28, 94606060), (35, 75684848), (40, 66224242), (53, 49980560), (56, 47303030), (70, 37842424), (80, 33112121), (106, 24990280), (112, 23651515), (140, 18921212), (149, 17778320), (212, 12495140), (265, 9996112), (280, 9460606), (298, 8889160), (371, 7140080), (424, 6247570), (530, 4998056), (560, 4730303), (596, 4444580), (599, 4422320), (742, 3570040), (745, 3555664), (848, 3123785), (1043, 2539760), (1060, 2499028), (1192, 2222290), (1198, 2211160), (1484, 1785020), (1490, 1777832), (1855, 1428016), (2086, 1269880), (2120, 1249514), (2384, 1111145), (2396, 1105580), (2968, 892510), (2980, 888916), (2995, 884464), (3710, 714008), (4172, 634940), (4193, 631760), (4240, 624757), (4792, 552790), (5215, 507952), (5936, 446255), (5960, 444458), (5990, 442232), (7420, 357004), (7897, 335440), (8344, 317470), (8386, 315880), (9584, 276395), (10430, 253976), (11920, 222229), (11980, 221116), (14840, 178502), (15794, 167720), (16688, 158735), (16772, 157940), (20860, 126988), (20965, 126352), (23960, 110558), (29680, 89251), (31588, 83860), (31747, 83440), (33544, 78970), (39485, 67088), (41720, 63494), (41930, 63176), (47920, 55279)]