1111120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:92

約数の個数: 80

約数和(自身を含む): 2946240

約数和(自身を除く): 1835120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 43, 68, 76, 80, 85, 86, 95, 136, 152, 170, 172, 190, 215, 272, 304, 323, 340, 344, 380, 430, 646, 680, 688, 731, 760, 817, 860, 1292, 1360, 1462, 1520, 1615, 1634, 1720, 2584, 2924, 3230, 3268, 3440, 3655, 4085, 5168, 5848, 6460, 6536, 7310, 8170, 11696, 12920, 13072, 13889, 14620, 16340, 25840, 27778, 29240, 32680, 55556, 58480, 65360, 69445, 111112, 138890, 222224, 277780, 555560, 1111120]

約数ペア:

[(1, 1111120), (2, 555560), (4, 277780), (5, 222224), (8, 138890), (10, 111112), (16, 69445), (17, 65360), (19, 58480), (20, 55556), (34, 32680), (38, 29240), (40, 27778), (43, 25840), (68, 16340), (76, 14620), (80, 13889), (85, 13072), (86, 12920), (95, 11696), (136, 8170), (152, 7310), (170, 6536), (172, 6460), (190, 5848), (215, 5168), (272, 4085), (304, 3655), (323, 3440), (340, 3268), (344, 3230), (380, 2924), (430, 2584), (646, 1720), (680, 1634), (688, 1615), (731, 1520), (760, 1462), (817, 1360), (860, 1292)]