78584940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1327}}^1$

素因数の和:1396

約数の個数: 144

約数和(自身を含む): 278433792

約数和(自身を除く): 199848852

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 60, 63, 70, 84, 90, 94, 105, 126, 140, 141, 180, 188, 210, 235, 252, 282, 315, 329, 420, 423, 470, 564, 630, 658, 705, 846, 940, 987, 1260, 1316, 1327, 1410, 1645, 1692, 1974, 2115, 2654, 2820, 2961, 3290, 3948, 3981, 4230, 4935, 5308, 5922, 6580, 6635, 7962, 8460, 9289, 9870, 11844, 11943, 13270, 14805, 15924, 18578, 19740, 19905, 23886, 26540, 27867, 29610, 37156, 39810, 46445, 47772, 55734, 59220, 59715, 62369, 79620, 83601, 92890, 111468, 119430, 124738, 139335, 167202, 185780, 187107, 238860, 249476, 278670, 311845, 334404, 374214, 418005, 436583, 557340, 561321, 623690, 748428, 836010, 873166, 935535, 1122642, 1247380, 1309749, 1672020, 1746332, 1871070, 2182915, 2245284, 2619498, 2806605, 3742140, 3929247, 4365830, 5238996, 5613210, 6548745, 7858494, 8731660, 11226420, 13097490, 15716988, 19646235, 26194980, 39292470, 78584940]

約数ペア:

[(1, 78584940), (2, 39292470), (3, 26194980), (4, 19646235), (5, 15716988), (6, 13097490), (7, 11226420), (9, 8731660), (10, 7858494), (12, 6548745), (14, 5613210), (15, 5238996), (18, 4365830), (20, 3929247), (21, 3742140), (28, 2806605), (30, 2619498), (35, 2245284), (36, 2182915), (42, 1871070), (45, 1746332), (47, 1672020), (60, 1309749), (63, 1247380), (70, 1122642), (84, 935535), (90, 873166), (94, 836010), (105, 748428), (126, 623690), (140, 561321), (141, 557340), (180, 436583), (188, 418005), (210, 374214), (235, 334404), (252, 311845), (282, 278670), (315, 249476), (329, 238860), (420, 187107), (423, 185780), (470, 167202), (564, 139335), (630, 124738), (658, 119430), (705, 111468), (846, 92890), (940, 83601), (987, 79620), (1260, 62369), (1316, 59715), (1327, 59220), (1410, 55734), (1645, 47772), (1692, 46445), (1974, 39810), (2115, 37156), (2654, 29610), (2820, 27867), (2961, 26540), (3290, 23886), (3948, 19905), (3981, 19740), (4230, 18578), (4935, 15924), (5308, 14805), (5922, 13270), (6580, 11943), (6635, 11844), (7962, 9870), (8460, 9289)]