31076760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1811}}^1$

素因数の和:1849

約数の個数: 128

約数和(自身を含む): 109589760

約数和(自身を除く): 78513000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1320, 1430, 1560, 1716, 1811, 2145, 2860, 3432, 3622, 4290, 5433, 5720, 7244, 8580, 9055, 10866, 14488, 17160, 18110, 19921, 21732, 23543, 27165, 36220, 39842, 43464, 47086, 54330, 59763, 70629, 72440, 79684, 94172, 99605, 108660, 117715, 119526, 141258, 159368, 188344, 199210, 217320, 235430, 239052, 258973, 282516, 298815, 353145, 398420, 470860, 478104, 517946, 565032, 597630, 706290, 776919, 796840, 941720, 1035892, 1195260, 1294865, 1412580, 1553838, 2071784, 2390520, 2589730, 2825160, 3107676, 3884595, 5179460, 6215352, 7769190, 10358920, 15538380, 31076760]

約数ペア:

[(1, 31076760), (2, 15538380), (3, 10358920), (4, 7769190), (5, 6215352), (6, 5179460), (8, 3884595), (10, 3107676), (11, 2825160), (12, 2589730), (13, 2390520), (15, 2071784), (20, 1553838), (22, 1412580), (24, 1294865), (26, 1195260), (30, 1035892), (33, 941720), (39, 796840), (40, 776919), (44, 706290), (52, 597630), (55, 565032), (60, 517946), (65, 478104), (66, 470860), (78, 398420), (88, 353145), (104, 298815), (110, 282516), (120, 258973), (130, 239052), (132, 235430), (143, 217320), (156, 199210), (165, 188344), (195, 159368), (220, 141258), (260, 119526), (264, 117715), (286, 108660), (312, 99605), (330, 94172), (390, 79684), (429, 72440), (440, 70629), (520, 59763), (572, 54330), (660, 47086), (715, 43464), (780, 39842), (858, 36220), (1144, 27165), (1320, 23543), (1430, 21732), (1560, 19921), (1716, 18110), (1811, 17160), (2145, 14488), (2860, 10866), (3432, 9055), (3622, 8580), (4290, 7244), (5433, 5720)]