445913920

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{569}}^1$

素因数の和:696

約数の個数: 112

約数和(自身を含む): 1111910400

約数和(自身を除く): 665996480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 79, 80, 124, 155, 158, 160, 248, 310, 316, 320, 395, 496, 569, 620, 632, 790, 992, 1138, 1240, 1264, 1580, 1984, 2276, 2449, 2480, 2528, 2845, 3160, 4552, 4898, 4960, 5056, 5690, 6320, 9104, 9796, 9920, 11380, 12245, 12640, 17639, 18208, 19592, 22760, 24490, 25280, 35278, 36416, 39184, 44951, 45520, 48980, 70556, 78368, 88195, 89902, 91040, 97960, 141112, 156736, 176390, 179804, 182080, 195920, 224755, 282224, 352780, 359608, 391840, 449510, 564448, 705560, 719216, 783680, 899020, 1128896, 1393481, 1411120, 1438432, 1798040, 2786962, 2822240, 2876864, 3596080, 5573924, 5644480, 6967405, 7192160, 11147848, 13934810, 14384320, 22295696, 27869620, 44591392, 55739240, 89182784, 111478480, 222956960, 445913920]

約数ペア:

[(1, 445913920), (2, 222956960), (4, 111478480), (5, 89182784), (8, 55739240), (10, 44591392), (16, 27869620), (20, 22295696), (31, 14384320), (32, 13934810), (40, 11147848), (62, 7192160), (64, 6967405), (79, 5644480), (80, 5573924), (124, 3596080), (155, 2876864), (158, 2822240), (160, 2786962), (248, 1798040), (310, 1438432), (316, 1411120), (320, 1393481), (395, 1128896), (496, 899020), (569, 783680), (620, 719216), (632, 705560), (790, 564448), (992, 449510), (1138, 391840), (1240, 359608), (1264, 352780), (1580, 282224), (1984, 224755), (2276, 195920), (2449, 182080), (2480, 179804), (2528, 176390), (2845, 156736), (3160, 141112), (4552, 97960), (4898, 91040), (4960, 89902), (5056, 88195), (5690, 78368), (6320, 70556), (9104, 48980), (9796, 45520), (9920, 44951), (11380, 39184), (12245, 36416), (12640, 35278), (17639, 25280), (18208, 24490), (19592, 22760)]