78722910

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{17851}}^1$

素因数の和:17878

約数の個数: 72

約数和(自身を含む): 238109976

約数和(自身を除く): 159387066

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 17851, 35702, 53553, 89255, 107106, 124957, 160659, 178510, 249914, 267765, 321318, 374871, 535530, 624785, 749742, 803295, 874699, 1124613, 1249570, 1606590, 1749398, 1874355, 2249226, 2624097, 3748710, 4373495, 5248194, 5623065, 7872291, 8746990, 11246130, 13120485, 15744582, 26240970, 39361455, 78722910]

約数ペア:

[(1, 78722910), (2, 39361455), (3, 26240970), (5, 15744582), (6, 13120485), (7, 11246130), (9, 8746990), (10, 7872291), (14, 5623065), (15, 5248194), (18, 4373495), (21, 3748710), (30, 2624097), (35, 2249226), (42, 1874355), (45, 1749398), (49, 1606590), (63, 1249570), (70, 1124613), (90, 874699), (98, 803295), (105, 749742), (126, 624785), (147, 535530), (210, 374871), (245, 321318), (294, 267765), (315, 249914), (441, 178510), (490, 160659), (630, 124957), (735, 107106), (882, 89255), (1470, 53553), (2205, 35702), (4410, 17851)]