15860040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:339

約数の個数: 128

約数和(自身を含む): 55296000

約数和(自身を除く): 39435960

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, 79, 84, 105, 120, 140, 158, 168, 210, 237, 239, 280, 316, 395, 420, 474, 478, 553, 632, 717, 790, 840, 948, 956, 1106, 1185, 1195, 1434, 1580, 1659, 1673, 1896, 1912, 2212, 2370, 2390, 2765, 2868, 3160, 3318, 3346, 3585, 4424, 4740, 4780, 5019, 5530, 5736, 6636, 6692, 7170, 8295, 8365, 9480, 9560, 10038, 11060, 13272, 13384, 14340, 16590, 16730, 18881, 20076, 22120, 25095, 28680, 33180, 33460, 37762, 40152, 50190, 56643, 66360, 66920, 75524, 94405, 100380, 113286, 132167, 151048, 188810, 200760, 226572, 264334, 283215, 377620, 396501, 453144, 528668, 566430, 660835, 755240, 793002, 1057336, 1132860, 1321670, 1586004, 1982505, 2265720, 2643340, 3172008, 3965010, 5286680, 7930020, 15860040]

約数ペア:

[(1, 15860040), (2, 7930020), (3, 5286680), (4, 3965010), (5, 3172008), (6, 2643340), (7, 2265720), (8, 1982505), (10, 1586004), (12, 1321670), (14, 1132860), (15, 1057336), (20, 793002), (21, 755240), (24, 660835), (28, 566430), (30, 528668), (35, 453144), (40, 396501), (42, 377620), (56, 283215), (60, 264334), (70, 226572), (79, 200760), (84, 188810), (105, 151048), (120, 132167), (140, 113286), (158, 100380), (168, 94405), (210, 75524), (237, 66920), (239, 66360), (280, 56643), (316, 50190), (395, 40152), (420, 37762), (474, 33460), (478, 33180), (553, 28680), (632, 25095), (717, 22120), (790, 20076), (840, 18881), (948, 16730), (956, 16590), (1106, 14340), (1185, 13384), (1195, 13272), (1434, 11060), (1580, 10038), (1659, 9560), (1673, 9480), (1896, 8365), (1912, 8295), (2212, 7170), (2370, 6692), (2390, 6636), (2765, 5736), (2868, 5530), (3160, 5019), (3318, 4780), (3346, 4740), (3585, 4424)]