221886840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8521}}^1$

素因数の和:8573

約数の個数: 128

約数和(自身を含む): 785387520

約数和(自身を除く): 563500680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 6510, 8521, 8680, 13020, 17042, 25563, 26040, 34084, 42605, 51126, 59647, 68168, 85210, 102252, 119294, 127815, 170420, 178941, 204504, 238588, 255630, 264151, 298235, 340840, 357882, 477176, 511260, 528302, 596470, 715764, 792453, 894705, 1022520, 1056604, 1192940, 1320755, 1431528, 1584906, 1789410, 1849057, 2113208, 2385880, 2641510, 3169812, 3578820, 3698114, 3962265, 5283020, 5547171, 6339624, 7157640, 7396228, 7924530, 9245285, 10566040, 11094342, 14792456, 15849060, 18490570, 22188684, 27735855, 31698120, 36981140, 44377368, 55471710, 73962280, 110943420, 221886840]

約数ペア:

[(1, 221886840), (2, 110943420), (3, 73962280), (4, 55471710), (5, 44377368), (6, 36981140), (7, 31698120), (8, 27735855), (10, 22188684), (12, 18490570), (14, 15849060), (15, 14792456), (20, 11094342), (21, 10566040), (24, 9245285), (28, 7924530), (30, 7396228), (31, 7157640), (35, 6339624), (40, 5547171), (42, 5283020), (56, 3962265), (60, 3698114), (62, 3578820), (70, 3169812), (84, 2641510), (93, 2385880), (105, 2113208), (120, 1849057), (124, 1789410), (140, 1584906), (155, 1431528), (168, 1320755), (186, 1192940), (210, 1056604), (217, 1022520), (248, 894705), (280, 792453), (310, 715764), (372, 596470), (420, 528302), (434, 511260), (465, 477176), (620, 357882), (651, 340840), (744, 298235), (840, 264151), (868, 255630), (930, 238588), (1085, 204504), (1240, 178941), (1302, 170420), (1736, 127815), (1860, 119294), (2170, 102252), (2604, 85210), (3255, 68168), (3720, 59647), (4340, 51126), (5208, 42605), (6510, 34084), (8521, 26040), (8680, 25563), (13020, 17042)]