2181090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 5702400

約数和(自身を除く): 3521310

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 29, 30, 46, 58, 69, 87, 109, 115, 138, 145, 174, 218, 230, 290, 327, 345, 435, 545, 654, 667, 690, 870, 1090, 1334, 1635, 2001, 2507, 3161, 3270, 3335, 4002, 5014, 6322, 6670, 7521, 9483, 10005, 12535, 15042, 15805, 18966, 20010, 25070, 31610, 37605, 47415, 72703, 75210, 94830, 145406, 218109, 363515, 436218, 727030, 1090545, 2181090]

約数ペア:

[(1, 2181090), (2, 1090545), (3, 727030), (5, 436218), (6, 363515), (10, 218109), (15, 145406), (23, 94830), (29, 75210), (30, 72703), (46, 47415), (58, 37605), (69, 31610), (87, 25070), (109, 20010), (115, 18966), (138, 15805), (145, 15042), (174, 12535), (218, 10005), (230, 9483), (290, 7521), (327, 6670), (345, 6322), (435, 5014), (545, 4002), (654, 3335), (667, 3270), (690, 3161), (870, 2507), (1090, 2001), (1334, 1635)]