31899120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:351

約数の個数: 160

約数和(自身を含む): 110778624

約数和(自身を除く): 78879504

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 43, 44, 48, 55, 60, 66, 80, 86, 88, 110, 120, 129, 132, 165, 172, 176, 215, 220, 240, 258, 264, 281, 330, 344, 430, 440, 473, 516, 528, 562, 645, 660, 688, 843, 860, 880, 946, 1032, 1124, 1290, 1320, 1405, 1419, 1686, 1720, 1892, 2064, 2248, 2365, 2580, 2640, 2810, 2838, 3091, 3372, 3440, 3784, 4215, 4496, 4730, 5160, 5620, 5676, 6182, 6744, 7095, 7568, 8430, 9273, 9460, 10320, 11240, 11352, 12083, 12364, 13488, 14190, 15455, 16860, 18546, 18920, 22480, 22704, 24166, 24728, 28380, 30910, 33720, 36249, 37092, 37840, 46365, 48332, 49456, 56760, 60415, 61820, 67440, 72498, 74184, 92730, 96664, 113520, 120830, 123640, 132913, 144996, 148368, 181245, 185460, 193328, 241660, 247280, 265826, 289992, 362490, 370920, 398739, 483320, 531652, 579984, 664565, 724980, 741840, 797478, 966640, 1063304, 1329130, 1449960, 1594956, 1993695, 2126608, 2658260, 2899920, 3189912, 3987390, 5316520, 6379824, 7974780, 10633040, 15949560, 31899120]

約数ペア:

[(1, 31899120), (2, 15949560), (3, 10633040), (4, 7974780), (5, 6379824), (6, 5316520), (8, 3987390), (10, 3189912), (11, 2899920), (12, 2658260), (15, 2126608), (16, 1993695), (20, 1594956), (22, 1449960), (24, 1329130), (30, 1063304), (33, 966640), (40, 797478), (43, 741840), (44, 724980), (48, 664565), (55, 579984), (60, 531652), (66, 483320), (80, 398739), (86, 370920), (88, 362490), (110, 289992), (120, 265826), (129, 247280), (132, 241660), (165, 193328), (172, 185460), (176, 181245), (215, 148368), (220, 144996), (240, 132913), (258, 123640), (264, 120830), (281, 113520), (330, 96664), (344, 92730), (430, 74184), (440, 72498), (473, 67440), (516, 61820), (528, 60415), (562, 56760), (645, 49456), (660, 48332), (688, 46365), (843, 37840), (860, 37092), (880, 36249), (946, 33720), (1032, 30910), (1124, 28380), (1290, 24728), (1320, 24166), (1405, 22704), (1419, 22480), (1686, 18920), (1720, 18546), (1892, 16860), (2064, 15455), (2248, 14190), (2365, 13488), (2580, 12364), (2640, 12083), (2810, 11352), (2838, 11240), (3091, 10320), (3372, 9460), (3440, 9273), (3784, 8430), (4215, 7568), (4496, 7095), (4730, 6744), (5160, 6182), (5620, 5676)]