28411440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5147}}^1$

素因数の和:5186

約数の個数: 80

約数和(自身を含む): 91922688

約数和(自身を除く): 63511248

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, 5147, 5520, 10294, 15441, 20588, 25735, 30882, 41176, 51470, 61764, 77205, 82352, 102940, 118381, 123528, 154410, 205880, 236762, 247056, 308820, 355143, 411760, 473524, 591905, 617640, 710286, 947048, 1183810, 1235280, 1420572, 1775715, 1894096, 2367620, 2841144, 3551430, 4735240, 5682288, 7102860, 9470480, 14205720, 28411440]

約数ペア:

[(1, 28411440), (2, 14205720), (3, 9470480), (4, 7102860), (5, 5682288), (6, 4735240), (8, 3551430), (10, 2841144), (12, 2367620), (15, 1894096), (16, 1775715), (20, 1420572), (23, 1235280), (24, 1183810), (30, 947048), (40, 710286), (46, 617640), (48, 591905), (60, 473524), (69, 411760), (80, 355143), (92, 308820), (115, 247056), (120, 236762), (138, 205880), (184, 154410), (230, 123528), (240, 118381), (276, 102940), (345, 82352), (368, 77205), (460, 61764), (552, 51470), (690, 41176), (920, 30882), (1104, 25735), (1380, 20588), (1840, 15441), (2760, 10294), (5147, 5520)]