31857540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:162

約数の個数: 192

約数和(自身を含む): 108380160

約数和(自身を除く): 76522620

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 47, 52, 55, 60, 65, 66, 78, 79, 94, 110, 130, 132, 141, 143, 156, 158, 165, 188, 195, 220, 235, 237, 260, 282, 286, 316, 330, 390, 395, 429, 470, 474, 517, 564, 572, 611, 660, 705, 715, 780, 790, 858, 869, 940, 948, 1027, 1034, 1185, 1222, 1410, 1430, 1551, 1580, 1716, 1738, 1833, 2054, 2068, 2145, 2370, 2444, 2585, 2607, 2820, 2860, 3055, 3081, 3102, 3476, 3666, 3713, 4108, 4290, 4345, 4740, 5135, 5170, 5214, 6110, 6162, 6204, 6721, 7332, 7426, 7755, 8580, 8690, 9165, 10270, 10340, 10428, 11139, 11297, 12220, 12324, 13035, 13442, 14852, 15405, 15510, 17380, 18330, 18565, 20163, 20540, 22278, 22594, 26070, 26884, 30810, 31020, 33605, 33891, 36660, 37130, 40326, 40843, 44556, 45188, 48269, 52140, 55695, 56485, 61620, 67210, 67782, 74260, 80652, 81686, 96538, 100815, 111390, 112970, 122529, 134420, 135564, 144807, 163372, 169455, 193076, 201630, 204215, 222780, 225940, 241345, 245058, 289614, 338910, 403260, 408430, 482690, 490116, 530959, 579228, 612645, 677820, 724035, 816860, 965380, 1061918, 1225290, 1448070, 1592877, 2123836, 2450580, 2654795, 2896140, 3185754, 5309590, 6371508, 7964385, 10619180, 15928770, 31857540]

約数ペア:

[(1, 31857540), (2, 15928770), (3, 10619180), (4, 7964385), (5, 6371508), (6, 5309590), (10, 3185754), (11, 2896140), (12, 2654795), (13, 2450580), (15, 2123836), (20, 1592877), (22, 1448070), (26, 1225290), (30, 1061918), (33, 965380), (39, 816860), (44, 724035), (47, 677820), (52, 612645), (55, 579228), (60, 530959), (65, 490116), (66, 482690), (78, 408430), (79, 403260), (94, 338910), (110, 289614), (130, 245058), (132, 241345), (141, 225940), (143, 222780), (156, 204215), (158, 201630), (165, 193076), (188, 169455), (195, 163372), (220, 144807), (235, 135564), (237, 134420), (260, 122529), (282, 112970), (286, 111390), (316, 100815), (330, 96538), (390, 81686), (395, 80652), (429, 74260), (470, 67782), (474, 67210), (517, 61620), (564, 56485), (572, 55695), (611, 52140), (660, 48269), (705, 45188), (715, 44556), (780, 40843), (790, 40326), (858, 37130), (869, 36660), (940, 33891), (948, 33605), (1027, 31020), (1034, 30810), (1185, 26884), (1222, 26070), (1410, 22594), (1430, 22278), (1551, 20540), (1580, 20163), (1716, 18565), (1738, 18330), (1833, 17380), (2054, 15510), (2068, 15405), (2145, 14852), (2370, 13442), (2444, 13035), (2585, 12324), (2607, 12220), (2820, 11297), (2860, 11139), (3055, 10428), (3081, 10340), (3102, 10270), (3476, 9165), (3666, 8690), (3713, 8580), (4108, 7755), (4290, 7426), (4345, 7332), (4740, 6721), (5135, 6204), (5170, 6162), (5214, 6110)]