2160390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:165

約数の個数: 64

約数和(自身を含む): 5640192

約数和(自身を除く): 3479802

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 31, 46, 62, 69, 93, 101, 115, 138, 155, 186, 202, 230, 303, 310, 345, 465, 505, 606, 690, 713, 930, 1010, 1426, 1515, 2139, 2323, 3030, 3131, 3565, 4278, 4646, 6262, 6969, 7130, 9393, 10695, 11615, 13938, 15655, 18786, 21390, 23230, 31310, 34845, 46965, 69690, 72013, 93930, 144026, 216039, 360065, 432078, 720130, 1080195, 2160390]

約数ペア:

[(1, 2160390), (2, 1080195), (3, 720130), (5, 432078), (6, 360065), (10, 216039), (15, 144026), (23, 93930), (30, 72013), (31, 69690), (46, 46965), (62, 34845), (69, 31310), (93, 23230), (101, 21390), (115, 18786), (138, 15655), (155, 13938), (186, 11615), (202, 10695), (230, 9393), (303, 7130), (310, 6969), (345, 6262), (465, 4646), (505, 4278), (606, 3565), (690, 3131), (713, 3030), (930, 2323), (1010, 2139), (1426, 1515)]