138661320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{431}}^1$

素因数の和:835

約数の個数: 128

約数和(自身を含む): 477757440

約数和(自身を除く): 339096120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 383, 420, 431, 766, 840, 862, 1149, 1293, 1532, 1724, 1915, 2155, 2298, 2586, 2681, 3017, 3064, 3448, 3830, 4310, 4596, 5172, 5362, 5745, 6034, 6465, 7660, 8043, 8620, 9051, 9192, 10344, 10724, 11490, 12068, 12930, 13405, 15085, 15320, 16086, 17240, 18102, 21448, 22980, 24136, 25860, 26810, 30170, 32172, 36204, 40215, 45255, 45960, 51720, 53620, 60340, 64344, 72408, 80430, 90510, 107240, 120680, 160860, 165073, 181020, 321720, 330146, 362040, 495219, 660292, 825365, 990438, 1155511, 1320584, 1650730, 1980876, 2311022, 2476095, 3301460, 3466533, 3961752, 4622044, 4952190, 5777555, 6602920, 6933066, 9244088, 9904380, 11555110, 13866132, 17332665, 19808760, 23110220, 27732264, 34665330, 46220440, 69330660, 138661320]

約数ペア:

[(1, 138661320), (2, 69330660), (3, 46220440), (4, 34665330), (5, 27732264), (6, 23110220), (7, 19808760), (8, 17332665), (10, 13866132), (12, 11555110), (14, 9904380), (15, 9244088), (20, 6933066), (21, 6602920), (24, 5777555), (28, 4952190), (30, 4622044), (35, 3961752), (40, 3466533), (42, 3301460), (56, 2476095), (60, 2311022), (70, 1980876), (84, 1650730), (105, 1320584), (120, 1155511), (140, 990438), (168, 825365), (210, 660292), (280, 495219), (383, 362040), (420, 330146), (431, 321720), (766, 181020), (840, 165073), (862, 160860), (1149, 120680), (1293, 107240), (1532, 90510), (1724, 80430), (1915, 72408), (2155, 64344), (2298, 60340), (2586, 53620), (2681, 51720), (3017, 45960), (3064, 45255), (3448, 40215), (3830, 36204), (4310, 32172), (4596, 30170), (5172, 26810), (5362, 25860), (5745, 24136), (6034, 22980), (6465, 21448), (7660, 18102), (8043, 17240), (8620, 16086), (9051, 15320), (9192, 15085), (10344, 13405), (10724, 12930), (11490, 12068)]