645132540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{20173}}^1$

素因数の和:20239

約数の個数: 96

約数和(自身を含む): 1992868416

約数和(自身を除く): 1347735876

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 41, 52, 60, 65, 78, 82, 123, 130, 156, 164, 195, 205, 246, 260, 390, 410, 492, 533, 615, 780, 820, 1066, 1230, 1599, 2132, 2460, 2665, 3198, 5330, 6396, 7995, 10660, 15990, 20173, 31980, 40346, 60519, 80692, 100865, 121038, 201730, 242076, 262249, 302595, 403460, 524498, 605190, 786747, 827093, 1048996, 1210380, 1311245, 1573494, 1654186, 2481279, 2622490, 3146988, 3308372, 3933735, 4135465, 4962558, 5244980, 7867470, 8270930, 9925116, 10752209, 12406395, 15734940, 16541860, 21504418, 24812790, 32256627, 43008836, 49625580, 53761045, 64513254, 107522090, 129026508, 161283135, 215044180, 322566270, 645132540]

約数ペア:

[(1, 645132540), (2, 322566270), (3, 215044180), (4, 161283135), (5, 129026508), (6, 107522090), (10, 64513254), (12, 53761045), (13, 49625580), (15, 43008836), (20, 32256627), (26, 24812790), (30, 21504418), (39, 16541860), (41, 15734940), (52, 12406395), (60, 10752209), (65, 9925116), (78, 8270930), (82, 7867470), (123, 5244980), (130, 4962558), (156, 4135465), (164, 3933735), (195, 3308372), (205, 3146988), (246, 2622490), (260, 2481279), (390, 1654186), (410, 1573494), (492, 1311245), (533, 1210380), (615, 1048996), (780, 827093), (820, 786747), (1066, 605190), (1230, 524498), (1599, 403460), (2132, 302595), (2460, 262249), (2665, 242076), (3198, 201730), (5330, 121038), (6396, 100865), (7995, 80692), (10660, 60519), (15990, 40346), (20173, 31980)]