31840380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1237}}^1$

素因数の和:1276

約数の個数: 144

約数和(自身を含む): 113559264

約数和(自身を除く): 81718884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 90, 99, 110, 117, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 286, 330, 390, 396, 429, 468, 495, 572, 585, 660, 715, 780, 858, 990, 1170, 1237, 1287, 1430, 1716, 1980, 2145, 2340, 2474, 2574, 2860, 3711, 4290, 4948, 5148, 6185, 6435, 7422, 8580, 11133, 12370, 12870, 13607, 14844, 16081, 18555, 22266, 24740, 25740, 27214, 32162, 37110, 40821, 44532, 48243, 54428, 55665, 64324, 68035, 74220, 80405, 81642, 96486, 111330, 122463, 136070, 144729, 160810, 163284, 176891, 192972, 204105, 222660, 241215, 244926, 272140, 289458, 321620, 353782, 408210, 482430, 489852, 530673, 578916, 612315, 707564, 723645, 816420, 884455, 964860, 1061346, 1224630, 1447290, 1592019, 1768910, 2122692, 2449260, 2653365, 2894580, 3184038, 3537820, 5306730, 6368076, 7960095, 10613460, 15920190, 31840380]

約数ペア:

[(1, 31840380), (2, 15920190), (3, 10613460), (4, 7960095), (5, 6368076), (6, 5306730), (9, 3537820), (10, 3184038), (11, 2894580), (12, 2653365), (13, 2449260), (15, 2122692), (18, 1768910), (20, 1592019), (22, 1447290), (26, 1224630), (30, 1061346), (33, 964860), (36, 884455), (39, 816420), (44, 723645), (45, 707564), (52, 612315), (55, 578916), (60, 530673), (65, 489852), (66, 482430), (78, 408210), (90, 353782), (99, 321620), (110, 289458), (117, 272140), (130, 244926), (132, 241215), (143, 222660), (156, 204105), (165, 192972), (180, 176891), (195, 163284), (198, 160810), (220, 144729), (234, 136070), (260, 122463), (286, 111330), (330, 96486), (390, 81642), (396, 80405), (429, 74220), (468, 68035), (495, 64324), (572, 55665), (585, 54428), (660, 48243), (715, 44532), (780, 40821), (858, 37110), (990, 32162), (1170, 27214), (1237, 25740), (1287, 24740), (1430, 22266), (1716, 18555), (1980, 16081), (2145, 14844), (2340, 13607), (2474, 12870), (2574, 12370), (2860, 11133), (3711, 8580), (4290, 7422), (4948, 6435), (5148, 6185)]