721877352

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:703

約数の個数: 128

約数和(自身を含む): 2112000000

約数和(自身を除く): 1390122648

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 79, 84, 109, 158, 168, 218, 237, 316, 327, 436, 474, 499, 553, 632, 654, 763, 872, 948, 998, 1106, 1308, 1497, 1526, 1659, 1896, 1996, 2212, 2289, 2616, 2994, 3052, 3318, 3493, 3992, 4424, 4578, 5988, 6104, 6636, 6986, 8611, 9156, 10479, 11976, 13272, 13972, 17222, 18312, 20958, 25833, 27944, 34444, 39421, 41916, 51666, 54391, 60277, 68888, 78842, 83832, 103332, 108782, 118263, 120554, 157684, 163173, 180831, 206664, 217564, 236526, 241108, 275947, 315368, 326346, 361662, 380737, 435128, 473052, 482216, 551894, 652692, 723324, 761474, 827841, 946104, 1103788, 1142211, 1305384, 1446648, 1522948, 1655682, 2207576, 2284422, 3045896, 3311364, 4296889, 4568844, 6622728, 8593778, 9137688, 12890667, 17187556, 25781334, 30078223, 34375112, 51562668, 60156446, 90234669, 103125336, 120312892, 180469338, 240625784, 360938676, 721877352]

約数ペア:

[(1, 721877352), (2, 360938676), (3, 240625784), (4, 180469338), (6, 120312892), (7, 103125336), (8, 90234669), (12, 60156446), (14, 51562668), (21, 34375112), (24, 30078223), (28, 25781334), (42, 17187556), (56, 12890667), (79, 9137688), (84, 8593778), (109, 6622728), (158, 4568844), (168, 4296889), (218, 3311364), (237, 3045896), (316, 2284422), (327, 2207576), (436, 1655682), (474, 1522948), (499, 1446648), (553, 1305384), (632, 1142211), (654, 1103788), (763, 946104), (872, 827841), (948, 761474), (998, 723324), (1106, 652692), (1308, 551894), (1497, 482216), (1526, 473052), (1659, 435128), (1896, 380737), (1996, 361662), (2212, 326346), (2289, 315368), (2616, 275947), (2994, 241108), (3052, 236526), (3318, 217564), (3493, 206664), (3992, 180831), (4424, 163173), (4578, 157684), (5988, 120554), (6104, 118263), (6636, 108782), (6986, 103332), (8611, 83832), (9156, 78842), (10479, 68888), (11976, 60277), (13272, 54391), (13972, 51666), (17222, 41916), (18312, 39421), (20958, 34444), (25833, 27944)]