2157640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 5443200

約数和(自身を除く): 3285560

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 167, 170, 190, 323, 334, 340, 380, 646, 668, 680, 760, 835, 1292, 1336, 1615, 1670, 2584, 2839, 3173, 3230, 3340, 5678, 6346, 6460, 6680, 11356, 12692, 12920, 14195, 15865, 22712, 25384, 28390, 31730, 53941, 56780, 63460, 107882, 113560, 126920, 215764, 269705, 431528, 539410, 1078820, 2157640]

約数ペア:

[(1, 2157640), (2, 1078820), (4, 539410), (5, 431528), (8, 269705), (10, 215764), (17, 126920), (19, 113560), (20, 107882), (34, 63460), (38, 56780), (40, 53941), (68, 31730), (76, 28390), (85, 25384), (95, 22712), (136, 15865), (152, 14195), (167, 12920), (170, 12692), (190, 11356), (323, 6680), (334, 6460), (340, 6346), (380, 5678), (646, 3340), (668, 3230), (680, 3173), (760, 2839), (835, 2584), (1292, 1670), (1336, 1615)]