28521840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5167}}^1$

素因数の和:5206

約数の個数: 80

約数和(自身を含む): 92279808

約数和(自身を除く): 63757968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5167, 5520, 10334, 15501, 20668, 25835, 31002, 41336, 51670, 62004, 77505, 82672, 103340, 118841, 124008, 155010, 206680, 237682, 248016, 310020, 356523, 413360, 475364, 594205, 620040, 713046, 950728, 1188410, 1240080, 1426092, 1782615, 1901456, 2376820, 2852184, 3565230, 4753640, 5704368, 7130460, 9507280, 14260920, 28521840]

約数ペア:

[(1, 28521840), (2, 14260920), (3, 9507280), (4, 7130460), (5, 5704368), (6, 4753640), (8, 3565230), (10, 2852184), (12, 2376820), (15, 1901456), (16, 1782615), (20, 1426092), (23, 1240080), (24, 1188410), (30, 950728), (40, 713046), (46, 620040), (48, 594205), (60, 475364), (69, 413360), (80, 356523), (92, 310020), (115, 248016), (120, 237682), (138, 206680), (184, 155010), (230, 124008), (240, 118841), (276, 103340), (345, 82672), (368, 77505), (460, 62004), (552, 51670), (690, 41336), (920, 31002), (1104, 25835), (1380, 20668), (1840, 15501), (2760, 10334), (5167, 5520)]