61655960

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 143078400

約数和(自身を除く): 81422440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 127, 212, 229, 254, 265, 424, 458, 508, 530, 635, 916, 1016, 1060, 1145, 1270, 1832, 2120, 2290, 2540, 4580, 5080, 6731, 9160, 12137, 13462, 24274, 26924, 29083, 33655, 48548, 53848, 58166, 60685, 67310, 97096, 116332, 121370, 134620, 145415, 232664, 242740, 269240, 290830, 485480, 581660, 1163320, 1541399, 3082798, 6165596, 7706995, 12331192, 15413990, 30827980, 61655960]

約数ペア:

[(1, 61655960), (2, 30827980), (4, 15413990), (5, 12331192), (8, 7706995), (10, 6165596), (20, 3082798), (40, 1541399), (53, 1163320), (106, 581660), (127, 485480), (212, 290830), (229, 269240), (254, 242740), (265, 232664), (424, 145415), (458, 134620), (508, 121370), (530, 116332), (635, 97096), (916, 67310), (1016, 60685), (1060, 58166), (1145, 53848), (1270, 48548), (1832, 33655), (2120, 29083), (2290, 26924), (2540, 24274), (4580, 13462), (5080, 12137), (6731, 9160)]