28420080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9109}}^1$

素因数の和:9138

約数の個数: 80

約数和(自身を含む): 94889760

約数和(自身を除く): 66469680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 9109, 18218, 27327, 36436, 45545, 54654, 72872, 91090, 109308, 118417, 136635, 145744, 182180, 218616, 236834, 273270, 355251, 364360, 437232, 473668, 546540, 592085, 710502, 728720, 947336, 1093080, 1184170, 1421004, 1776255, 1894672, 2186160, 2368340, 2842008, 3552510, 4736680, 5684016, 7105020, 9473360, 14210040, 28420080]

約数ペア:

[(1, 28420080), (2, 14210040), (3, 9473360), (4, 7105020), (5, 5684016), (6, 4736680), (8, 3552510), (10, 2842008), (12, 2368340), (13, 2186160), (15, 1894672), (16, 1776255), (20, 1421004), (24, 1184170), (26, 1093080), (30, 947336), (39, 728720), (40, 710502), (48, 592085), (52, 546540), (60, 473668), (65, 437232), (78, 364360), (80, 355251), (104, 273270), (120, 236834), (130, 218616), (156, 182180), (195, 145744), (208, 136635), (240, 118417), (260, 109308), (312, 91090), (390, 72872), (520, 54654), (624, 45545), (780, 36436), (1040, 27327), (1560, 18218), (3120, 9109)]