138255760

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2591}}^1$

素因数の和:2656

約数の個数: 80

約数和(自身を含む): 347120640

約数和(自身を除く): 208864880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 40, 46, 58, 80, 92, 115, 116, 145, 184, 230, 232, 290, 368, 460, 464, 580, 667, 920, 1160, 1334, 1840, 2320, 2591, 2668, 3335, 5182, 5336, 6670, 10364, 10672, 12955, 13340, 20728, 25910, 26680, 41456, 51820, 53360, 59593, 75139, 103640, 119186, 150278, 207280, 238372, 297965, 300556, 375695, 476744, 595930, 601112, 751390, 953488, 1191860, 1202224, 1502780, 1728197, 2383720, 3005560, 3456394, 4767440, 6011120, 6912788, 8640985, 13825576, 17281970, 27651152, 34563940, 69127880, 138255760]

約数ペア:

[(1, 138255760), (2, 69127880), (4, 34563940), (5, 27651152), (8, 17281970), (10, 13825576), (16, 8640985), (20, 6912788), (23, 6011120), (29, 4767440), (40, 3456394), (46, 3005560), (58, 2383720), (80, 1728197), (92, 1502780), (115, 1202224), (116, 1191860), (145, 953488), (184, 751390), (230, 601112), (232, 595930), (290, 476744), (368, 375695), (460, 300556), (464, 297965), (580, 238372), (667, 207280), (920, 150278), (1160, 119186), (1334, 103640), (1840, 75139), (2320, 59593), (2591, 53360), (2668, 51820), (3335, 41456), (5182, 26680), (5336, 25910), (6670, 20728), (10364, 13340), (10672, 12955)]