157008180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{389}}^1$

素因数の和:470

約数の個数: 144

約数和(自身を含む): 520490880

約数和(自身を除く): 363482700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 389, 420, 434, 465, 620, 651, 778, 868, 930, 961, 1085, 1167, 1302, 1556, 1860, 1922, 1945, 2170, 2334, 2604, 2723, 2883, 3255, 3844, 3890, 4340, 4668, 4805, 5446, 5766, 5835, 6510, 6727, 7780, 8169, 9610, 10892, 11532, 11670, 12059, 13020, 13454, 13615, 14415, 16338, 19220, 20181, 23340, 24118, 26908, 27230, 28830, 32676, 33635, 36177, 40362, 40845, 48236, 54460, 57660, 60295, 67270, 72354, 80724, 81690, 84413, 100905, 120590, 134540, 144708, 163380, 168826, 180885, 201810, 241180, 253239, 337652, 361770, 373829, 403620, 422065, 506478, 723540, 747658, 844130, 1012956, 1121487, 1266195, 1495316, 1688260, 1869145, 2242974, 2532390, 2616803, 3738290, 4485948, 5064780, 5233606, 5607435, 7476580, 7850409, 10467212, 11214870, 13084015, 15700818, 22429740, 26168030, 31401636, 39252045, 52336060, 78504090, 157008180]

約数ペア:

[(1, 157008180), (2, 78504090), (3, 52336060), (4, 39252045), (5, 31401636), (6, 26168030), (7, 22429740), (10, 15700818), (12, 13084015), (14, 11214870), (15, 10467212), (20, 7850409), (21, 7476580), (28, 5607435), (30, 5233606), (31, 5064780), (35, 4485948), (42, 3738290), (60, 2616803), (62, 2532390), (70, 2242974), (84, 1869145), (93, 1688260), (105, 1495316), (124, 1266195), (140, 1121487), (155, 1012956), (186, 844130), (210, 747658), (217, 723540), (310, 506478), (372, 422065), (389, 403620), (420, 373829), (434, 361770), (465, 337652), (620, 253239), (651, 241180), (778, 201810), (868, 180885), (930, 168826), (961, 163380), (1085, 144708), (1167, 134540), (1302, 120590), (1556, 100905), (1860, 84413), (1922, 81690), (1945, 80724), (2170, 72354), (2334, 67270), (2604, 60295), (2723, 57660), (2883, 54460), (3255, 48236), (3844, 40845), (3890, 40362), (4340, 36177), (4668, 33635), (4805, 32676), (5446, 28830), (5766, 27230), (5835, 26908), (6510, 24118), (6727, 23340), (7780, 20181), (8169, 19220), (9610, 16338), (10892, 14415), (11532, 13615), (11670, 13454), (12059, 13020)]