2018873640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{33851}}^1$

素因数の和:33943

約数の個数: 128

約数和(自身を含む): 7019550720

約数和(自身を除く): 5000677080

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, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1420, 1491, 1704, 1988, 2130, 2485, 2840, 2982, 3976, 4260, 4970, 5964, 7455, 8520, 9940, 11928, 14910, 19880, 29820, 33851, 59640, 67702, 101553, 135404, 169255, 203106, 236957, 270808, 338510, 406212, 473914, 507765, 677020, 710871, 812424, 947828, 1015530, 1184785, 1354040, 1421742, 1895656, 2031060, 2369570, 2403421, 2843484, 3554355, 4062120, 4739140, 4806842, 5686968, 7108710, 7210263, 9478280, 9613684, 12017105, 14217420, 14420526, 16823947, 19227368, 24034210, 28434840, 28841052, 33647894, 36051315, 48068420, 50471841, 57682104, 67295788, 72102630, 84119735, 96136840, 100943682, 134591576, 144205260, 168239470, 201887364, 252359205, 288410520, 336478940, 403774728, 504718410, 672957880, 1009436820, 2018873640]

約数ペア:

[(1, 2018873640), (2, 1009436820), (3, 672957880), (4, 504718410), (5, 403774728), (6, 336478940), (7, 288410520), (8, 252359205), (10, 201887364), (12, 168239470), (14, 144205260), (15, 134591576), (20, 100943682), (21, 96136840), (24, 84119735), (28, 72102630), (30, 67295788), (35, 57682104), (40, 50471841), (42, 48068420), (56, 36051315), (60, 33647894), (70, 28841052), (71, 28434840), (84, 24034210), (105, 19227368), (120, 16823947), (140, 14420526), (142, 14217420), (168, 12017105), (210, 9613684), (213, 9478280), (280, 7210263), (284, 7108710), (355, 5686968), (420, 4806842), (426, 4739140), (497, 4062120), (568, 3554355), (710, 2843484), (840, 2403421), (852, 2369570), (994, 2031060), (1065, 1895656), (1420, 1421742), (1491, 1354040), (1704, 1184785), (1988, 1015530), (2130, 947828), (2485, 812424), (2840, 710871), (2982, 677020), (3976, 507765), (4260, 473914), (4970, 406212), (5964, 338510), (7455, 270808), (8520, 236957), (9940, 203106), (11928, 169255), (14910, 135404), (19880, 101553), (29820, 67702), (33851, 59640)]