80340680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{3457}}^1$

素因数の和:3558

約数の個数: 64

約数和(自身を含む): 209139840

約数和(自身を除く): 128799160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 83, 140, 166, 280, 332, 415, 581, 664, 830, 1162, 1660, 2324, 2905, 3320, 3457, 4648, 5810, 6914, 11620, 13828, 17285, 23240, 24199, 27656, 34570, 48398, 69140, 96796, 120995, 138280, 193592, 241990, 286931, 483980, 573862, 967960, 1147724, 1434655, 2008517, 2295448, 2869310, 4017034, 5738620, 8034068, 10042585, 11477240, 16068136, 20085170, 40170340, 80340680]

約数ペア:

[(1, 80340680), (2, 40170340), (4, 20085170), (5, 16068136), (7, 11477240), (8, 10042585), (10, 8034068), (14, 5738620), (20, 4017034), (28, 2869310), (35, 2295448), (40, 2008517), (56, 1434655), (70, 1147724), (83, 967960), (140, 573862), (166, 483980), (280, 286931), (332, 241990), (415, 193592), (581, 138280), (664, 120995), (830, 96796), (1162, 69140), (1660, 48398), (2324, 34570), (2905, 27656), (3320, 24199), (3457, 23240), (4648, 17285), (5810, 13828), (6914, 11620)]