64652640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{797}}^1$

素因数の和:841

約数の個数: 144

約数和(自身を含む): 220803408

約数和(自身を除く): 156150768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 65, 78, 80, 96, 104, 120, 130, 156, 160, 169, 195, 208, 240, 260, 312, 338, 390, 416, 480, 507, 520, 624, 676, 780, 797, 845, 1014, 1040, 1248, 1352, 1560, 1594, 1690, 2028, 2080, 2391, 2535, 2704, 3120, 3188, 3380, 3985, 4056, 4782, 5070, 5408, 6240, 6376, 6760, 7970, 8112, 9564, 10140, 10361, 11955, 12752, 13520, 15940, 16224, 19128, 20280, 20722, 23910, 25504, 27040, 31083, 31880, 38256, 40560, 41444, 47820, 51805, 62166, 63760, 76512, 81120, 82888, 95640, 103610, 124332, 127520, 134693, 155415, 165776, 191280, 207220, 248664, 269386, 310830, 331552, 382560, 404079, 414440, 497328, 538772, 621660, 673465, 808158, 828880, 994656, 1077544, 1243320, 1346930, 1616316, 1657760, 2020395, 2155088, 2486640, 2693860, 3232632, 4040790, 4310176, 4973280, 5387720, 6465264, 8081580, 10775440, 12930528, 16163160, 21550880, 32326320, 64652640]

約数ペア:

[(1, 64652640), (2, 32326320), (3, 21550880), (4, 16163160), (5, 12930528), (6, 10775440), (8, 8081580), (10, 6465264), (12, 5387720), (13, 4973280), (15, 4310176), (16, 4040790), (20, 3232632), (24, 2693860), (26, 2486640), (30, 2155088), (32, 2020395), (39, 1657760), (40, 1616316), (48, 1346930), (52, 1243320), (60, 1077544), (65, 994656), (78, 828880), (80, 808158), (96, 673465), (104, 621660), (120, 538772), (130, 497328), (156, 414440), (160, 404079), (169, 382560), (195, 331552), (208, 310830), (240, 269386), (260, 248664), (312, 207220), (338, 191280), (390, 165776), (416, 155415), (480, 134693), (507, 127520), (520, 124332), (624, 103610), (676, 95640), (780, 82888), (797, 81120), (845, 76512), (1014, 63760), (1040, 62166), (1248, 51805), (1352, 47820), (1560, 41444), (1594, 40560), (1690, 38256), (2028, 31880), (2080, 31083), (2391, 27040), (2535, 25504), (2704, 23910), (3120, 20722), (3188, 20280), (3380, 19128), (3985, 16224), (4056, 15940), (4782, 13520), (5070, 12752), (5408, 11955), (6240, 10361), (6376, 10140), (6760, 9564), (7970, 8112)]