61971160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1117}}^1$

素因数の和:1220

約数の個数: 64

約数和(自身を含む): 148917600

約数和(自身を除く): 86946440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 73, 76, 95, 146, 152, 190, 292, 365, 380, 584, 730, 760, 1117, 1387, 1460, 2234, 2774, 2920, 4468, 5548, 5585, 6935, 8936, 11096, 11170, 13870, 21223, 22340, 27740, 42446, 44680, 55480, 81541, 84892, 106115, 163082, 169784, 212230, 326164, 407705, 424460, 652328, 815410, 848920, 1549279, 1630820, 3098558, 3261640, 6197116, 7746395, 12394232, 15492790, 30985580, 61971160]

約数ペア:

[(1, 61971160), (2, 30985580), (4, 15492790), (5, 12394232), (8, 7746395), (10, 6197116), (19, 3261640), (20, 3098558), (38, 1630820), (40, 1549279), (73, 848920), (76, 815410), (95, 652328), (146, 424460), (152, 407705), (190, 326164), (292, 212230), (365, 169784), (380, 163082), (584, 106115), (730, 84892), (760, 81541), (1117, 55480), (1387, 44680), (1460, 42446), (2234, 27740), (2774, 22340), (2920, 21223), (4468, 13870), (5548, 11170), (5585, 11096), (6935, 8936)]