1393370320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53923}}^1$

素因数の和:53972

約数の個数: 80

約数和(自身を含む): 3610751040

約数和(自身を除く): 2217380720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 680, 760, 1292, 1360, 1520, 1615, 2584, 3230, 5168, 6460, 12920, 25840, 53923, 107846, 215692, 269615, 431384, 539230, 862768, 916691, 1024537, 1078460, 1833382, 2049074, 2156920, 3666764, 4098148, 4313840, 4583455, 5122685, 7333528, 8196296, 9166910, 10245370, 14667056, 16392592, 17417129, 18333820, 20490740, 34834258, 36667640, 40981480, 69668516, 73335280, 81962960, 87085645, 139337032, 174171290, 278674064, 348342580, 696685160, 1393370320]

約数ペア:

[(1, 1393370320), (2, 696685160), (4, 348342580), (5, 278674064), (8, 174171290), (10, 139337032), (16, 87085645), (17, 81962960), (19, 73335280), (20, 69668516), (34, 40981480), (38, 36667640), (40, 34834258), (68, 20490740), (76, 18333820), (80, 17417129), (85, 16392592), (95, 14667056), (136, 10245370), (152, 9166910), (170, 8196296), (190, 7333528), (272, 5122685), (304, 4583455), (323, 4313840), (340, 4098148), (380, 3666764), (646, 2156920), (680, 2049074), (760, 1833382), (1292, 1078460), (1360, 1024537), (1520, 916691), (1615, 862768), (2584, 539230), (3230, 431384), (5168, 269615), (6460, 215692), (12920, 107846), (25840, 53923)]