157445820

素因数分解:

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

素因数の和:17880

約数の個数: 108

約数和(自身を含む): 555589944

約数和(自身を除く): 398144124

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 17851, 35702, 53553, 71404, 89255, 107106, 124957, 160659, 178510, 214212, 249914, 267765, 321318, 357020, 374871, 499828, 535530, 624785, 642636, 749742, 803295, 874699, 1071060, 1124613, 1249570, 1499484, 1606590, 1749398, 1874355, 2249226, 2499140, 2624097, 3213180, 3498796, 3748710, 4373495, 4498452, 5248194, 5623065, 7497420, 7872291, 8746990, 10496388, 11246130, 13120485, 15744582, 17493980, 22492260, 26240970, 31489164, 39361455, 52481940, 78722910, 157445820]

約数ペア:

[(1, 157445820), (2, 78722910), (3, 52481940), (4, 39361455), (5, 31489164), (6, 26240970), (7, 22492260), (9, 17493980), (10, 15744582), (12, 13120485), (14, 11246130), (15, 10496388), (18, 8746990), (20, 7872291), (21, 7497420), (28, 5623065), (30, 5248194), (35, 4498452), (36, 4373495), (42, 3748710), (45, 3498796), (49, 3213180), (60, 2624097), (63, 2499140), (70, 2249226), (84, 1874355), (90, 1749398), (98, 1606590), (105, 1499484), (126, 1249570), (140, 1124613), (147, 1071060), (180, 874699), (196, 803295), (210, 749742), (245, 642636), (252, 624785), (294, 535530), (315, 499828), (420, 374871), (441, 357020), (490, 321318), (588, 267765), (630, 249914), (735, 214212), (882, 178510), (980, 160659), (1260, 124957), (1470, 107106), (1764, 89255), (2205, 71404), (2940, 53553), (4410, 35702), (8820, 17851)]