68690320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{45191}}^1$

素因数の和:45223

約数の個数: 40

約数和(自身を含む): 168114240

約数和(自身を除く): 99423920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 45191, 90382, 180764, 225955, 361528, 451910, 723056, 858629, 903820, 1717258, 1807640, 3434516, 3615280, 4293145, 6869032, 8586290, 13738064, 17172580, 34345160, 68690320]

約数ペア:

[(1, 68690320), (2, 34345160), (4, 17172580), (5, 13738064), (8, 8586290), (10, 6869032), (16, 4293145), (19, 3615280), (20, 3434516), (38, 1807640), (40, 1717258), (76, 903820), (80, 858629), (95, 723056), (152, 451910), (190, 361528), (304, 225955), (380, 180764), (760, 90382), (1520, 45191)]