20130180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:234

約数の個数: 144

約数和(自身を含む): 67568256

約数和(自身を除く): 47438076

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 41, 42, 49, 60, 70, 82, 84, 98, 105, 123, 140, 147, 164, 167, 196, 205, 210, 245, 246, 287, 294, 334, 410, 420, 490, 492, 501, 574, 588, 615, 668, 735, 820, 835, 861, 980, 1002, 1148, 1169, 1230, 1435, 1470, 1670, 1722, 2004, 2009, 2338, 2460, 2505, 2870, 2940, 3340, 3444, 3507, 4018, 4305, 4676, 5010, 5740, 5845, 6027, 6847, 7014, 8036, 8183, 8610, 10020, 10045, 11690, 12054, 13694, 14028, 16366, 17220, 17535, 20090, 20541, 23380, 24108, 24549, 27388, 30135, 32732, 34235, 35070, 40180, 40915, 41082, 47929, 49098, 60270, 68470, 70140, 81830, 82164, 95858, 98196, 102705, 120540, 122745, 136940, 143787, 163660, 191716, 205410, 239645, 245490, 287574, 335503, 410820, 479290, 490980, 575148, 671006, 718935, 958580, 1006509, 1342012, 1437870, 1677515, 2013018, 2875740, 3355030, 4026036, 5032545, 6710060, 10065090, 20130180]

約数ペア:

[(1, 20130180), (2, 10065090), (3, 6710060), (4, 5032545), (5, 4026036), (6, 3355030), (7, 2875740), (10, 2013018), (12, 1677515), (14, 1437870), (15, 1342012), (20, 1006509), (21, 958580), (28, 718935), (30, 671006), (35, 575148), (41, 490980), (42, 479290), (49, 410820), (60, 335503), (70, 287574), (82, 245490), (84, 239645), (98, 205410), (105, 191716), (123, 163660), (140, 143787), (147, 136940), (164, 122745), (167, 120540), (196, 102705), (205, 98196), (210, 95858), (245, 82164), (246, 81830), (287, 70140), (294, 68470), (334, 60270), (410, 49098), (420, 47929), (490, 41082), (492, 40915), (501, 40180), (574, 35070), (588, 34235), (615, 32732), (668, 30135), (735, 27388), (820, 24549), (835, 24108), (861, 23380), (980, 20541), (1002, 20090), (1148, 17535), (1169, 17220), (1230, 16366), (1435, 14028), (1470, 13694), (1670, 12054), (1722, 11690), (2004, 10045), (2009, 10020), (2338, 8610), (2460, 8183), (2505, 8036), (2870, 7014), (2940, 6847), (3340, 6027), (3444, 5845), (3507, 5740), (4018, 5010), (4305, 4676)]