61780180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{521}}^1$

素因数の和:566

約数の個数: 108

約数和(自身を含む): 166205844

約数和(自身を除く): 104425664

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 121, 140, 154, 196, 220, 242, 245, 308, 385, 484, 490, 521, 539, 605, 770, 847, 980, 1042, 1078, 1210, 1540, 1694, 2084, 2156, 2420, 2605, 2695, 3388, 3647, 4235, 5210, 5390, 5731, 5929, 7294, 8470, 10420, 10780, 11462, 11858, 14588, 16940, 18235, 22924, 23716, 25529, 28655, 29645, 36470, 40117, 51058, 57310, 59290, 63041, 72940, 80234, 102116, 114620, 118580, 126082, 127645, 160468, 200585, 252164, 255290, 280819, 315205, 401170, 441287, 510580, 561638, 630410, 802340, 882574, 1123276, 1260820, 1404095, 1765148, 2206435, 2808190, 3089009, 4412870, 5616380, 6178018, 8825740, 12356036, 15445045, 30890090, 61780180]

約数ペア:

[(1, 61780180), (2, 30890090), (4, 15445045), (5, 12356036), (7, 8825740), (10, 6178018), (11, 5616380), (14, 4412870), (20, 3089009), (22, 2808190), (28, 2206435), (35, 1765148), (44, 1404095), (49, 1260820), (55, 1123276), (70, 882574), (77, 802340), (98, 630410), (110, 561638), (121, 510580), (140, 441287), (154, 401170), (196, 315205), (220, 280819), (242, 255290), (245, 252164), (308, 200585), (385, 160468), (484, 127645), (490, 126082), (521, 118580), (539, 114620), (605, 102116), (770, 80234), (847, 72940), (980, 63041), (1042, 59290), (1078, 57310), (1210, 51058), (1540, 40117), (1694, 36470), (2084, 29645), (2156, 28655), (2420, 25529), (2605, 23716), (2695, 22924), (3388, 18235), (3647, 16940), (4235, 14588), (5210, 11858), (5390, 11462), (5731, 10780), (5929, 10420), (7294, 8470)]