161880516

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{163}}^1\times {\mathrm{563}}^1$

素因数の和:750

約数の個数: 108

約数和(自身を含む): 479776752

約数和(自身を除く): 317896236

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 163, 196, 252, 294, 326, 441, 489, 563, 588, 652, 882, 978, 1126, 1141, 1467, 1689, 1764, 1956, 2252, 2282, 2934, 3378, 3423, 3941, 4564, 5067, 5868, 6756, 6846, 7882, 7987, 10134, 10269, 11823, 13692, 15764, 15974, 20268, 20538, 23646, 23961, 27587, 31948, 35469, 41076, 47292, 47922, 55174, 70938, 71883, 82761, 91769, 95844, 110348, 141876, 143766, 165522, 183538, 248283, 275307, 287532, 331044, 367076, 496566, 550614, 642383, 825921, 993132, 1101228, 1284766, 1651842, 1927149, 2569532, 3303684, 3854298, 4496681, 5781447, 7708596, 8993362, 11562894, 13490043, 17986724, 23125788, 26980086, 40470129, 53960172, 80940258, 161880516]

約数ペア:

[(1, 161880516), (2, 80940258), (3, 53960172), (4, 40470129), (6, 26980086), (7, 23125788), (9, 17986724), (12, 13490043), (14, 11562894), (18, 8993362), (21, 7708596), (28, 5781447), (36, 4496681), (42, 3854298), (49, 3303684), (63, 2569532), (84, 1927149), (98, 1651842), (126, 1284766), (147, 1101228), (163, 993132), (196, 825921), (252, 642383), (294, 550614), (326, 496566), (441, 367076), (489, 331044), (563, 287532), (588, 275307), (652, 248283), (882, 183538), (978, 165522), (1126, 143766), (1141, 141876), (1467, 110348), (1689, 95844), (1764, 91769), (1956, 82761), (2252, 71883), (2282, 70938), (2934, 55174), (3378, 47922), (3423, 47292), (3941, 41076), (4564, 35469), (5067, 31948), (5868, 27587), (6756, 23961), (6846, 23646), (7882, 20538), (7987, 20268), (10134, 15974), (10269, 15764), (11823, 13692)]