2831487920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{60091}}^1$

素因数の和:60154

約数の個数: 80

約数和(自身を含む): 7153351680

約数和(自身を除く): 4321863760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 4712, 5890, 9424, 11780, 23560, 47120, 60091, 120182, 240364, 300455, 480728, 600910, 961456, 1141729, 1201820, 1862821, 2283458, 2403640, 3725642, 4566916, 4807280, 5708645, 7451284, 9133832, 9314105, 11417290, 14902568, 18267664, 18628210, 22834580, 29805136, 35393599, 37256420, 45669160, 70787198, 74512840, 91338320, 141574396, 149025680, 176967995, 283148792, 353935990, 566297584, 707871980, 1415743960, 2831487920]

約数ペア:

[(1, 2831487920), (2, 1415743960), (4, 707871980), (5, 566297584), (8, 353935990), (10, 283148792), (16, 176967995), (19, 149025680), (20, 141574396), (31, 91338320), (38, 74512840), (40, 70787198), (62, 45669160), (76, 37256420), (80, 35393599), (95, 29805136), (124, 22834580), (152, 18628210), (155, 18267664), (190, 14902568), (248, 11417290), (304, 9314105), (310, 9133832), (380, 7451284), (496, 5708645), (589, 4807280), (620, 4566916), (760, 3725642), (1178, 2403640), (1240, 2283458), (1520, 1862821), (2356, 1201820), (2480, 1141729), (2945, 961456), (4712, 600910), (5890, 480728), (9424, 300455), (11780, 240364), (23560, 120182), (47120, 60091)]