31720080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:341

約数の個数: 160

約数和(自身を含む): 114278400

約数和(自身を除く): 82558320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 79, 80, 84, 105, 112, 120, 140, 158, 168, 210, 237, 239, 240, 280, 316, 336, 395, 420, 474, 478, 553, 560, 632, 717, 790, 840, 948, 956, 1106, 1185, 1195, 1264, 1434, 1580, 1659, 1673, 1680, 1896, 1912, 2212, 2370, 2390, 2765, 2868, 3160, 3318, 3346, 3585, 3792, 3824, 4424, 4740, 4780, 5019, 5530, 5736, 6320, 6636, 6692, 7170, 8295, 8365, 8848, 9480, 9560, 10038, 11060, 11472, 13272, 13384, 14340, 16590, 16730, 18881, 18960, 19120, 20076, 22120, 25095, 26544, 26768, 28680, 33180, 33460, 37762, 40152, 44240, 50190, 56643, 57360, 66360, 66920, 75524, 80304, 94405, 100380, 113286, 132167, 132720, 133840, 151048, 188810, 200760, 226572, 264334, 283215, 302096, 377620, 396501, 401520, 453144, 528668, 566430, 660835, 755240, 793002, 906288, 1057336, 1132860, 1321670, 1510480, 1586004, 1982505, 2114672, 2265720, 2643340, 3172008, 3965010, 4531440, 5286680, 6344016, 7930020, 10573360, 15860040, 31720080]

約数ペア:

[(1, 31720080), (2, 15860040), (3, 10573360), (4, 7930020), (5, 6344016), (6, 5286680), (7, 4531440), (8, 3965010), (10, 3172008), (12, 2643340), (14, 2265720), (15, 2114672), (16, 1982505), (20, 1586004), (21, 1510480), (24, 1321670), (28, 1132860), (30, 1057336), (35, 906288), (40, 793002), (42, 755240), (48, 660835), (56, 566430), (60, 528668), (70, 453144), (79, 401520), (80, 396501), (84, 377620), (105, 302096), (112, 283215), (120, 264334), (140, 226572), (158, 200760), (168, 188810), (210, 151048), (237, 133840), (239, 132720), (240, 132167), (280, 113286), (316, 100380), (336, 94405), (395, 80304), (420, 75524), (474, 66920), (478, 66360), (553, 57360), (560, 56643), (632, 50190), (717, 44240), (790, 40152), (840, 37762), (948, 33460), (956, 33180), (1106, 28680), (1185, 26768), (1195, 26544), (1264, 25095), (1434, 22120), (1580, 20076), (1659, 19120), (1673, 18960), (1680, 18881), (1896, 16730), (1912, 16590), (2212, 14340), (2370, 13384), (2390, 13272), (2765, 11472), (2868, 11060), (3160, 10038), (3318, 9560), (3346, 9480), (3585, 8848), (3792, 8365), (3824, 8295), (4424, 7170), (4740, 6692), (4780, 6636), (5019, 6320), (5530, 5736)]