64446760

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:407

約数の個数: 96

約数和(自身を含む): 170644320

約数和(自身を除く): 106197560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 131, 140, 196, 245, 251, 262, 280, 392, 490, 502, 524, 655, 917, 980, 1004, 1048, 1255, 1310, 1757, 1834, 1960, 2008, 2510, 2620, 3514, 3668, 4585, 5020, 5240, 6419, 7028, 7336, 8785, 9170, 10040, 12299, 12838, 14056, 17570, 18340, 24598, 25676, 32095, 32881, 35140, 36680, 49196, 51352, 61495, 64190, 65762, 70280, 98392, 122990, 128380, 131524, 164405, 230167, 245980, 256760, 263048, 328810, 460334, 491960, 657620, 920668, 1150835, 1315240, 1611169, 1841336, 2301670, 3222338, 4603340, 6444676, 8055845, 9206680, 12889352, 16111690, 32223380, 64446760]

約数ペア:

[(1, 64446760), (2, 32223380), (4, 16111690), (5, 12889352), (7, 9206680), (8, 8055845), (10, 6444676), (14, 4603340), (20, 3222338), (28, 2301670), (35, 1841336), (40, 1611169), (49, 1315240), (56, 1150835), (70, 920668), (98, 657620), (131, 491960), (140, 460334), (196, 328810), (245, 263048), (251, 256760), (262, 245980), (280, 230167), (392, 164405), (490, 131524), (502, 128380), (524, 122990), (655, 98392), (917, 70280), (980, 65762), (1004, 64190), (1048, 61495), (1255, 51352), (1310, 49196), (1757, 36680), (1834, 35140), (1960, 32881), (2008, 32095), (2510, 25676), (2620, 24598), (3514, 18340), (3668, 17570), (4585, 14056), (5020, 12838), (5240, 12299), (6419, 10040), (7028, 9170), (7336, 8785)]