56638260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{569}}^1$

素因数の和:670

約数の個数: 144

約数和(自身を含む): 199180800

約数和(自身を除く): 142542540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 79, 84, 90, 105, 126, 140, 158, 180, 210, 237, 252, 315, 316, 395, 420, 474, 553, 569, 630, 711, 790, 948, 1106, 1138, 1185, 1260, 1422, 1580, 1659, 1707, 2212, 2276, 2370, 2765, 2844, 2845, 3318, 3414, 3555, 3983, 4740, 4977, 5121, 5530, 5690, 6636, 6828, 7110, 7966, 8295, 8535, 9954, 10242, 11060, 11380, 11949, 14220, 15932, 16590, 17070, 19908, 19915, 20484, 23898, 24885, 25605, 33180, 34140, 35847, 39830, 44951, 47796, 49770, 51210, 59745, 71694, 79660, 89902, 99540, 102420, 119490, 134853, 143388, 179235, 179804, 224755, 238980, 269706, 314657, 358470, 404559, 449510, 539412, 629314, 674265, 716940, 809118, 899020, 943971, 1258628, 1348530, 1573285, 1618236, 1887942, 2022795, 2697060, 2831913, 3146570, 3775884, 4045590, 4719855, 5663826, 6293140, 8091180, 9439710, 11327652, 14159565, 18879420, 28319130, 56638260]

約数ペア:

[(1, 56638260), (2, 28319130), (3, 18879420), (4, 14159565), (5, 11327652), (6, 9439710), (7, 8091180), (9, 6293140), (10, 5663826), (12, 4719855), (14, 4045590), (15, 3775884), (18, 3146570), (20, 2831913), (21, 2697060), (28, 2022795), (30, 1887942), (35, 1618236), (36, 1573285), (42, 1348530), (45, 1258628), (60, 943971), (63, 899020), (70, 809118), (79, 716940), (84, 674265), (90, 629314), (105, 539412), (126, 449510), (140, 404559), (158, 358470), (180, 314657), (210, 269706), (237, 238980), (252, 224755), (315, 179804), (316, 179235), (395, 143388), (420, 134853), (474, 119490), (553, 102420), (569, 99540), (630, 89902), (711, 79660), (790, 71694), (948, 59745), (1106, 51210), (1138, 49770), (1185, 47796), (1260, 44951), (1422, 39830), (1580, 35847), (1659, 34140), (1707, 33180), (2212, 25605), (2276, 24885), (2370, 23898), (2765, 20484), (2844, 19915), (2845, 19908), (3318, 17070), (3414, 16590), (3555, 15932), (3983, 14220), (4740, 11949), (4977, 11380), (5121, 11060), (5530, 10242), (5690, 9954), (6636, 8535), (6828, 8295), (7110, 7966)]