155940720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{331}}^1$

素因数の和:511

約数の個数: 160

約数和(自身を含む): 525633024

約数和(自身を除く): 369692304

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 151, 156, 195, 208, 240, 260, 302, 312, 331, 390, 453, 520, 604, 624, 662, 755, 780, 906, 993, 1040, 1208, 1324, 1510, 1560, 1655, 1812, 1963, 1986, 2265, 2416, 2648, 3020, 3120, 3310, 3624, 3926, 3972, 4303, 4530, 4965, 5296, 5889, 6040, 6620, 7248, 7852, 7944, 8606, 9060, 9815, 9930, 11778, 12080, 12909, 13240, 15704, 15888, 17212, 18120, 19630, 19860, 21515, 23556, 25818, 26480, 29445, 31408, 34424, 36240, 39260, 39720, 43030, 47112, 49981, 51636, 58890, 64545, 68848, 78520, 79440, 86060, 94224, 99962, 103272, 117780, 129090, 149943, 157040, 172120, 199924, 206544, 235560, 249905, 258180, 299886, 344240, 399848, 471120, 499810, 516360, 599772, 649753, 749715, 799696, 999620, 1032720, 1199544, 1299506, 1499430, 1949259, 1999240, 2399088, 2599012, 2998860, 3248765, 3898518, 3998480, 5198024, 5997720, 6497530, 7797036, 9746295, 10396048, 11995440, 12995060, 15594072, 19492590, 25990120, 31188144, 38985180, 51980240, 77970360, 155940720]

約数ペア:

[(1, 155940720), (2, 77970360), (3, 51980240), (4, 38985180), (5, 31188144), (6, 25990120), (8, 19492590), (10, 15594072), (12, 12995060), (13, 11995440), (15, 10396048), (16, 9746295), (20, 7797036), (24, 6497530), (26, 5997720), (30, 5198024), (39, 3998480), (40, 3898518), (48, 3248765), (52, 2998860), (60, 2599012), (65, 2399088), (78, 1999240), (80, 1949259), (104, 1499430), (120, 1299506), (130, 1199544), (151, 1032720), (156, 999620), (195, 799696), (208, 749715), (240, 649753), (260, 599772), (302, 516360), (312, 499810), (331, 471120), (390, 399848), (453, 344240), (520, 299886), (604, 258180), (624, 249905), (662, 235560), (755, 206544), (780, 199924), (906, 172120), (993, 157040), (1040, 149943), (1208, 129090), (1324, 117780), (1510, 103272), (1560, 99962), (1655, 94224), (1812, 86060), (1963, 79440), (1986, 78520), (2265, 68848), (2416, 64545), (2648, 58890), (3020, 51636), (3120, 49981), (3310, 47112), (3624, 43030), (3926, 39720), (3972, 39260), (4303, 36240), (4530, 34424), (4965, 31408), (5296, 29445), (5889, 26480), (6040, 25818), (6620, 23556), (7248, 21515), (7852, 19860), (7944, 19630), (8606, 18120), (9060, 17212), (9815, 15888), (9930, 15704), (11778, 13240), (12080, 12909)]