649756440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{809}}^1$

素因数の和:946

約数の個数: 192

約数和(自身を含む): 2228990400

約数和(自身を除く): 1579233960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 97, 115, 120, 138, 180, 184, 194, 207, 230, 276, 291, 345, 360, 388, 414, 460, 485, 552, 582, 690, 776, 809, 828, 873, 920, 970, 1035, 1164, 1380, 1455, 1618, 1656, 1746, 1940, 2070, 2231, 2328, 2427, 2760, 2910, 3236, 3492, 3880, 4045, 4140, 4365, 4462, 4854, 5820, 6472, 6693, 6984, 7281, 8090, 8280, 8730, 8924, 9708, 11155, 11640, 12135, 13386, 14562, 16180, 17460, 17848, 18607, 19416, 20079, 22310, 24270, 26772, 29124, 32360, 33465, 34920, 36405, 37214, 40158, 44620, 48540, 53544, 55821, 58248, 66930, 72810, 74428, 78473, 80316, 89240, 93035, 97080, 100395, 111642, 133860, 145620, 148856, 156946, 160632, 167463, 186070, 200790, 223284, 235419, 267720, 279105, 291240, 313892, 334926, 372140, 392365, 401580, 446568, 470838, 558210, 627784, 669852, 706257, 744280, 784730, 803160, 837315, 941676, 1116420, 1177095, 1339704, 1412514, 1569460, 1674630, 1804879, 1883352, 2232840, 2354190, 2825028, 3138920, 3349260, 3531285, 3609758, 4708380, 5414637, 5650056, 6698520, 7062570, 7219516, 9024395, 9416760, 10829274, 14125140, 14439032, 16243911, 18048790, 21658548, 27073185, 28250280, 32487822, 36097580, 43317096, 54146370, 64975644, 72195160, 81219555, 108292740, 129951288, 162439110, 216585480, 324878220, 649756440]

約数ペア:

[(1, 649756440), (2, 324878220), (3, 216585480), (4, 162439110), (5, 129951288), (6, 108292740), (8, 81219555), (9, 72195160), (10, 64975644), (12, 54146370), (15, 43317096), (18, 36097580), (20, 32487822), (23, 28250280), (24, 27073185), (30, 21658548), (36, 18048790), (40, 16243911), (45, 14439032), (46, 14125140), (60, 10829274), (69, 9416760), (72, 9024395), (90, 7219516), (92, 7062570), (97, 6698520), (115, 5650056), (120, 5414637), (138, 4708380), (180, 3609758), (184, 3531285), (194, 3349260), (207, 3138920), (230, 2825028), (276, 2354190), (291, 2232840), (345, 1883352), (360, 1804879), (388, 1674630), (414, 1569460), (460, 1412514), (485, 1339704), (552, 1177095), (582, 1116420), (690, 941676), (776, 837315), (809, 803160), (828, 784730), (873, 744280), (920, 706257), (970, 669852), (1035, 627784), (1164, 558210), (1380, 470838), (1455, 446568), (1618, 401580), (1656, 392365), (1746, 372140), (1940, 334926), (2070, 313892), (2231, 291240), (2328, 279105), (2427, 267720), (2760, 235419), (2910, 223284), (3236, 200790), (3492, 186070), (3880, 167463), (4045, 160632), (4140, 156946), (4365, 148856), (4462, 145620), (4854, 133860), (5820, 111642), (6472, 100395), (6693, 97080), (6984, 93035), (7281, 89240), (8090, 80316), (8280, 78473), (8730, 74428), (8924, 72810), (9708, 66930), (11155, 58248), (11640, 55821), (12135, 53544), (13386, 48540), (14562, 44620), (16180, 40158), (17460, 37214), (17848, 36405), (18607, 34920), (19416, 33465), (20079, 32360), (22310, 29124), (24270, 26772)]