127820980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1657}}^1$

素因数の和:1721

約数の個数: 96

約数和(自身を含む): 334252800

約数和(自身を除く): 206431820

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 29, 35, 38, 58, 70, 76, 95, 116, 133, 140, 145, 190, 203, 266, 290, 380, 406, 532, 551, 580, 665, 812, 1015, 1102, 1330, 1657, 2030, 2204, 2660, 2755, 3314, 3857, 4060, 5510, 6628, 7714, 8285, 11020, 11599, 15428, 16570, 19285, 23198, 31483, 33140, 38570, 46396, 48053, 57995, 62966, 77140, 96106, 115990, 125932, 157415, 192212, 220381, 231980, 240265, 314830, 336371, 440762, 480530, 629660, 672742, 881524, 913007, 961060, 1101905, 1345484, 1681855, 1826014, 2203810, 3363710, 3652028, 4407620, 4565035, 6391049, 6727420, 9130070, 12782098, 18260140, 25564196, 31955245, 63910490, 127820980]

約数ペア:

[(1, 127820980), (2, 63910490), (4, 31955245), (5, 25564196), (7, 18260140), (10, 12782098), (14, 9130070), (19, 6727420), (20, 6391049), (28, 4565035), (29, 4407620), (35, 3652028), (38, 3363710), (58, 2203810), (70, 1826014), (76, 1681855), (95, 1345484), (116, 1101905), (133, 961060), (140, 913007), (145, 881524), (190, 672742), (203, 629660), (266, 480530), (290, 440762), (380, 336371), (406, 314830), (532, 240265), (551, 231980), (580, 220381), (665, 192212), (812, 157415), (1015, 125932), (1102, 115990), (1330, 96106), (1657, 77140), (2030, 62966), (2204, 57995), (2660, 48053), (2755, 46396), (3314, 38570), (3857, 33140), (4060, 31483), (5510, 23198), (6628, 19285), (7714, 16570), (8285, 15428), (11020, 11599)]