211676560

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{449}}^1$

素因数の和:616

約数の個数: 80

約数和(自身を含む): 506217600

約数和(自身を除く): 294541040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 83, 142, 166, 284, 332, 355, 415, 449, 568, 664, 710, 830, 898, 1136, 1328, 1420, 1660, 1796, 2245, 2840, 3320, 3592, 4490, 5680, 5893, 6640, 7184, 8980, 11786, 17960, 23572, 29465, 31879, 35920, 37267, 47144, 58930, 63758, 74534, 94288, 117860, 127516, 149068, 159395, 186335, 235720, 255032, 298136, 318790, 372670, 471440, 510064, 596272, 637580, 745340, 1275160, 1490680, 2550320, 2645957, 2981360, 5291914, 10583828, 13229785, 21167656, 26459570, 42335312, 52919140, 105838280, 211676560]

約数ペア:

[(1, 211676560), (2, 105838280), (4, 52919140), (5, 42335312), (8, 26459570), (10, 21167656), (16, 13229785), (20, 10583828), (40, 5291914), (71, 2981360), (80, 2645957), (83, 2550320), (142, 1490680), (166, 1275160), (284, 745340), (332, 637580), (355, 596272), (415, 510064), (449, 471440), (568, 372670), (664, 318790), (710, 298136), (830, 255032), (898, 235720), (1136, 186335), (1328, 159395), (1420, 149068), (1660, 127516), (1796, 117860), (2245, 94288), (2840, 74534), (3320, 63758), (3592, 58930), (4490, 47144), (5680, 37267), (5893, 35920), (6640, 31879), (7184, 29465), (8980, 23572), (11786, 17960)]