1638520980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{2129}}^1$

素因数の和:2369

約数の個数: 96

約数和(自身を含む): 4671959040

約数和(自身を除く): 3033438060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 127, 202, 254, 303, 381, 404, 505, 508, 606, 635, 762, 1010, 1212, 1270, 1515, 1524, 1905, 2020, 2129, 2540, 3030, 3810, 4258, 6060, 6387, 7620, 8516, 10645, 12774, 12827, 21290, 25548, 25654, 31935, 38481, 42580, 51308, 63870, 64135, 76962, 127740, 128270, 153924, 192405, 215029, 256540, 270383, 384810, 430058, 540766, 645087, 769620, 811149, 860116, 1075145, 1081532, 1290174, 1351915, 1622298, 2150290, 2580348, 2703830, 3225435, 3244596, 4055745, 4300580, 5407660, 6450870, 8111490, 12901740, 16222980, 27308683, 54617366, 81926049, 109234732, 136543415, 163852098, 273086830, 327704196, 409630245, 546173660, 819260490, 1638520980]

約数ペア:

[(1, 1638520980), (2, 819260490), (3, 546173660), (4, 409630245), (5, 327704196), (6, 273086830), (10, 163852098), (12, 136543415), (15, 109234732), (20, 81926049), (30, 54617366), (60, 27308683), (101, 16222980), (127, 12901740), (202, 8111490), (254, 6450870), (303, 5407660), (381, 4300580), (404, 4055745), (505, 3244596), (508, 3225435), (606, 2703830), (635, 2580348), (762, 2150290), (1010, 1622298), (1212, 1351915), (1270, 1290174), (1515, 1081532), (1524, 1075145), (1905, 860116), (2020, 811149), (2129, 769620), (2540, 645087), (3030, 540766), (3810, 430058), (4258, 384810), (6060, 270383), (6387, 256540), (7620, 215029), (8516, 192405), (10645, 153924), (12774, 128270), (12827, 127740), (21290, 76962), (25548, 64135), (25654, 63870), (31935, 51308), (38481, 42580)]