65866940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{149}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 150141600

約数和(自身を除く): 84274660

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 149, 155, 230, 298, 310, 460, 596, 620, 713, 745, 961, 1426, 1490, 1922, 2852, 2980, 3427, 3565, 3844, 4619, 4805, 6854, 7130, 9238, 9610, 13708, 14260, 17135, 18476, 19220, 22103, 23095, 34270, 44206, 46190, 68540, 88412, 92380, 106237, 110515, 143189, 212474, 221030, 286378, 424948, 442060, 531185, 572756, 715945, 1062370, 1431890, 2124740, 2863780, 3293347, 6586694, 13173388, 16466735, 32933470, 65866940]

約数ペア:

[(1, 65866940), (2, 32933470), (4, 16466735), (5, 13173388), (10, 6586694), (20, 3293347), (23, 2863780), (31, 2124740), (46, 1431890), (62, 1062370), (92, 715945), (115, 572756), (124, 531185), (149, 442060), (155, 424948), (230, 286378), (298, 221030), (310, 212474), (460, 143189), (596, 110515), (620, 106237), (713, 92380), (745, 88412), (961, 68540), (1426, 46190), (1490, 44206), (1922, 34270), (2852, 23095), (2980, 22103), (3427, 19220), (3565, 18476), (3844, 17135), (4619, 14260), (4805, 13708), (6854, 9610), (7130, 9238)]