102520720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{617}}^1$

素因数の和:728

約数の個数: 80

約数和(自身を含む): 250126848

約数和(自身を除く): 147606128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 67, 80, 124, 134, 155, 248, 268, 310, 335, 496, 536, 617, 620, 670, 1072, 1234, 1240, 1340, 2077, 2468, 2480, 2680, 3085, 4154, 4936, 5360, 6170, 8308, 9872, 10385, 12340, 16616, 19127, 20770, 24680, 33232, 38254, 41339, 41540, 49360, 76508, 82678, 83080, 95635, 153016, 165356, 166160, 191270, 206695, 306032, 330712, 382540, 413390, 661424, 765080, 826780, 1281509, 1530160, 1653560, 2563018, 3307120, 5126036, 6407545, 10252072, 12815090, 20504144, 25630180, 51260360, 102520720]

約数ペア:

[(1, 102520720), (2, 51260360), (4, 25630180), (5, 20504144), (8, 12815090), (10, 10252072), (16, 6407545), (20, 5126036), (31, 3307120), (40, 2563018), (62, 1653560), (67, 1530160), (80, 1281509), (124, 826780), (134, 765080), (155, 661424), (248, 413390), (268, 382540), (310, 330712), (335, 306032), (496, 206695), (536, 191270), (617, 166160), (620, 165356), (670, 153016), (1072, 95635), (1234, 83080), (1240, 82678), (1340, 76508), (2077, 49360), (2468, 41540), (2480, 41339), (2680, 38254), (3085, 33232), (4154, 24680), (4936, 20770), (5360, 19127), (6170, 16616), (8308, 12340), (9872, 10385)]