28321280

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:96

約数の個数: 160

約数和(自身を含む): 78369984

約数和(自身を除く): 50048704

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 37, 40, 46, 52, 64, 65, 74, 80, 92, 104, 115, 128, 130, 148, 160, 184, 185, 208, 230, 256, 260, 296, 299, 320, 368, 370, 416, 460, 481, 512, 520, 592, 598, 640, 736, 740, 832, 851, 920, 962, 1040, 1184, 1196, 1280, 1472, 1480, 1495, 1664, 1702, 1840, 1924, 2080, 2368, 2392, 2405, 2560, 2944, 2960, 2990, 3328, 3404, 3680, 3848, 4160, 4255, 4736, 4784, 4810, 5888, 5920, 5980, 6656, 6808, 7360, 7696, 8320, 8510, 9472, 9568, 9620, 11063, 11776, 11840, 11960, 13616, 14720, 15392, 16640, 17020, 18944, 19136, 19240, 22126, 23680, 23920, 27232, 29440, 30784, 33280, 34040, 38272, 38480, 44252, 47360, 47840, 54464, 55315, 58880, 61568, 68080, 76544, 76960, 88504, 94720, 95680, 108928, 110630, 123136, 136160, 153088, 153920, 177008, 191360, 217856, 221260, 246272, 272320, 307840, 354016, 382720, 435712, 442520, 544640, 615680, 708032, 765440, 885040, 1089280, 1231360, 1416064, 1770080, 2178560, 2832128, 3540160, 5664256, 7080320, 14160640, 28321280]

約数ペア:

[(1, 28321280), (2, 14160640), (4, 7080320), (5, 5664256), (8, 3540160), (10, 2832128), (13, 2178560), (16, 1770080), (20, 1416064), (23, 1231360), (26, 1089280), (32, 885040), (37, 765440), (40, 708032), (46, 615680), (52, 544640), (64, 442520), (65, 435712), (74, 382720), (80, 354016), (92, 307840), (104, 272320), (115, 246272), (128, 221260), (130, 217856), (148, 191360), (160, 177008), (184, 153920), (185, 153088), (208, 136160), (230, 123136), (256, 110630), (260, 108928), (296, 95680), (299, 94720), (320, 88504), (368, 76960), (370, 76544), (416, 68080), (460, 61568), (481, 58880), (512, 55315), (520, 54464), (592, 47840), (598, 47360), (640, 44252), (736, 38480), (740, 38272), (832, 34040), (851, 33280), (920, 30784), (962, 29440), (1040, 27232), (1184, 23920), (1196, 23680), (1280, 22126), (1472, 19240), (1480, 19136), (1495, 18944), (1664, 17020), (1702, 16640), (1840, 15392), (1924, 14720), (2080, 13616), (2368, 11960), (2392, 11840), (2405, 11776), (2560, 11063), (2944, 9620), (2960, 9568), (2990, 9472), (3328, 8510), (3404, 8320), (3680, 7696), (3848, 7360), (4160, 6808), (4255, 6656), (4736, 5980), (4784, 5920), (4810, 5888)]