1720290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1$

素因数の和:435

約数の個数: 64

約数和(自身を含む): 4862592

約数和(自身を除く): 3142302

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 78, 110, 130, 143, 165, 195, 286, 330, 390, 401, 429, 715, 802, 858, 1203, 1430, 2005, 2145, 2406, 4010, 4290, 4411, 5213, 6015, 8822, 10426, 12030, 13233, 15639, 22055, 26065, 26466, 31278, 44110, 52130, 57343, 66165, 78195, 114686, 132330, 156390, 172029, 286715, 344058, 573430, 860145, 1720290]

約数ペア:

[(1, 1720290), (2, 860145), (3, 573430), (5, 344058), (6, 286715), (10, 172029), (11, 156390), (13, 132330), (15, 114686), (22, 78195), (26, 66165), (30, 57343), (33, 52130), (39, 44110), (55, 31278), (65, 26466), (66, 26065), (78, 22055), (110, 15639), (130, 13233), (143, 12030), (165, 10426), (195, 8822), (286, 6015), (330, 5213), (390, 4411), (401, 4290), (429, 4010), (715, 2406), (802, 2145), (858, 2005), (1203, 1430)]