61307960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{631}}^1$

素因数の和:996

約数の個数: 64

約数和(自身を含む): 158353920

約数和(自身を除く): 97045960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 347, 631, 694, 1262, 1388, 1735, 2429, 2524, 2776, 3155, 3470, 4417, 4858, 5048, 6310, 6940, 8834, 9716, 12145, 12620, 13880, 17668, 19432, 22085, 24290, 25240, 35336, 44170, 48580, 88340, 97160, 176680, 218957, 437914, 875828, 1094785, 1532699, 1751656, 2189570, 3065398, 4379140, 6130796, 7663495, 8758280, 12261592, 15326990, 30653980, 61307960]

約数ペア:

[(1, 61307960), (2, 30653980), (4, 15326990), (5, 12261592), (7, 8758280), (8, 7663495), (10, 6130796), (14, 4379140), (20, 3065398), (28, 2189570), (35, 1751656), (40, 1532699), (56, 1094785), (70, 875828), (140, 437914), (280, 218957), (347, 176680), (631, 97160), (694, 88340), (1262, 48580), (1388, 44170), (1735, 35336), (2429, 25240), (2524, 24290), (2776, 22085), (3155, 19432), (3470, 17668), (4417, 13880), (4858, 12620), (5048, 12145), (6310, 9716), (6940, 8834)]