1689810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:143

約数の個数: 64

約数和(自身を含む): 4423680

約数和(自身を除く): 2733870

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 31, 46, 62, 69, 79, 93, 115, 138, 155, 158, 186, 230, 237, 310, 345, 395, 465, 474, 690, 713, 790, 930, 1185, 1426, 1817, 2139, 2370, 2449, 3565, 3634, 4278, 4898, 5451, 7130, 7347, 9085, 10695, 10902, 12245, 14694, 18170, 21390, 24490, 27255, 36735, 54510, 56327, 73470, 112654, 168981, 281635, 337962, 563270, 844905, 1689810]

約数ペア:

[(1, 1689810), (2, 844905), (3, 563270), (5, 337962), (6, 281635), (10, 168981), (15, 112654), (23, 73470), (30, 56327), (31, 54510), (46, 36735), (62, 27255), (69, 24490), (79, 21390), (93, 18170), (115, 14694), (138, 12245), (155, 10902), (158, 10695), (186, 9085), (230, 7347), (237, 7130), (310, 5451), (345, 4898), (395, 4278), (465, 3634), (474, 3565), (690, 2449), (713, 2370), (790, 2139), (930, 1817), (1185, 1426)]