72716820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{6481}}^1$

素因数の和:6521

約数の個数: 96

約数和(自身を含む): 235218816

約数和(自身を除く): 162501996

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 17, 20, 22, 30, 33, 34, 44, 51, 55, 60, 66, 68, 85, 102, 110, 132, 165, 170, 187, 204, 220, 255, 330, 340, 374, 510, 561, 660, 748, 935, 1020, 1122, 1870, 2244, 2805, 3740, 5610, 6481, 11220, 12962, 19443, 25924, 32405, 38886, 64810, 71291, 77772, 97215, 110177, 129620, 142582, 194430, 213873, 220354, 285164, 330531, 356455, 388860, 427746, 440708, 550885, 661062, 712910, 855492, 1069365, 1101770, 1211947, 1322124, 1425820, 1652655, 2138730, 2203540, 2423894, 3305310, 3635841, 4277460, 4847788, 6059735, 6610620, 7271682, 12119470, 14543364, 18179205, 24238940, 36358410, 72716820]

約数ペア:

[(1, 72716820), (2, 36358410), (3, 24238940), (4, 18179205), (5, 14543364), (6, 12119470), (10, 7271682), (11, 6610620), (12, 6059735), (15, 4847788), (17, 4277460), (20, 3635841), (22, 3305310), (30, 2423894), (33, 2203540), (34, 2138730), (44, 1652655), (51, 1425820), (55, 1322124), (60, 1211947), (66, 1101770), (68, 1069365), (85, 855492), (102, 712910), (110, 661062), (132, 550885), (165, 440708), (170, 427746), (187, 388860), (204, 356455), (220, 330531), (255, 285164), (330, 220354), (340, 213873), (374, 194430), (510, 142582), (561, 129620), (660, 110177), (748, 97215), (935, 77772), (1020, 71291), (1122, 64810), (1870, 38886), (2244, 32405), (2805, 25924), (3740, 19443), (5610, 12962), (6481, 11220)]