31795920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:154

約数の個数: 240

約数和(自身を含む): 119159040

約数和(自身を除く): 87363120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 43, 45, 48, 52, 60, 65, 72, 78, 79, 80, 86, 90, 104, 117, 120, 129, 130, 144, 156, 158, 172, 180, 195, 208, 215, 234, 237, 240, 258, 260, 312, 316, 344, 360, 387, 390, 395, 430, 468, 474, 516, 520, 559, 585, 624, 632, 645, 688, 711, 720, 774, 780, 790, 860, 936, 948, 1027, 1032, 1040, 1118, 1170, 1185, 1264, 1290, 1422, 1548, 1560, 1580, 1677, 1720, 1872, 1896, 1935, 2054, 2064, 2236, 2340, 2370, 2580, 2795, 2844, 3081, 3096, 3120, 3160, 3354, 3397, 3440, 3555, 3792, 3870, 4108, 4472, 4680, 4740, 5031, 5135, 5160, 5590, 5688, 6162, 6192, 6320, 6708, 6794, 7110, 7740, 8216, 8385, 8944, 9243, 9360, 9480, 10062, 10191, 10270, 10320, 11180, 11376, 12324, 13416, 13588, 14220, 15405, 15480, 16432, 16770, 16985, 18486, 18960, 20124, 20382, 20540, 22360, 24648, 25155, 26832, 27176, 28440, 30573, 30810, 30960, 33540, 33970, 36972, 40248, 40764, 41080, 44161, 44720, 46215, 49296, 50310, 50955, 54352, 56880, 61146, 61620, 67080, 67940, 73944, 80496, 81528, 82160, 88322, 92430, 100620, 101910, 122292, 123240, 132483, 134160, 135880, 147888, 152865, 163056, 176644, 184860, 201240, 203820, 220805, 244584, 246480, 264966, 271760, 305730, 353288, 369720, 397449, 402480, 407640, 441610, 489168, 529932, 611460, 662415, 706576, 739440, 794898, 815280, 883220, 1059864, 1222920, 1324830, 1589796, 1766440, 1987245, 2119728, 2445840, 2649660, 3179592, 3532880, 3974490, 5299320, 6359184, 7948980, 10598640, 15897960, 31795920]

約数ペア:

[(1, 31795920), (2, 15897960), (3, 10598640), (4, 7948980), (5, 6359184), (6, 5299320), (8, 3974490), (9, 3532880), (10, 3179592), (12, 2649660), (13, 2445840), (15, 2119728), (16, 1987245), (18, 1766440), (20, 1589796), (24, 1324830), (26, 1222920), (30, 1059864), (36, 883220), (39, 815280), (40, 794898), (43, 739440), (45, 706576), (48, 662415), (52, 611460), (60, 529932), (65, 489168), (72, 441610), (78, 407640), (79, 402480), (80, 397449), (86, 369720), (90, 353288), (104, 305730), (117, 271760), (120, 264966), (129, 246480), (130, 244584), (144, 220805), (156, 203820), (158, 201240), (172, 184860), (180, 176644), (195, 163056), (208, 152865), (215, 147888), (234, 135880), (237, 134160), (240, 132483), (258, 123240), (260, 122292), (312, 101910), (316, 100620), (344, 92430), (360, 88322), (387, 82160), (390, 81528), (395, 80496), (430, 73944), (468, 67940), (474, 67080), (516, 61620), (520, 61146), (559, 56880), (585, 54352), (624, 50955), (632, 50310), (645, 49296), (688, 46215), (711, 44720), (720, 44161), (774, 41080), (780, 40764), (790, 40248), (860, 36972), (936, 33970), (948, 33540), (1027, 30960), (1032, 30810), (1040, 30573), (1118, 28440), (1170, 27176), (1185, 26832), (1264, 25155), (1290, 24648), (1422, 22360), (1548, 20540), (1560, 20382), (1580, 20124), (1677, 18960), (1720, 18486), (1872, 16985), (1896, 16770), (1935, 16432), (2054, 15480), (2064, 15405), (2236, 14220), (2340, 13588), (2370, 13416), (2580, 12324), (2795, 11376), (2844, 11180), (3081, 10320), (3096, 10270), (3120, 10191), (3160, 10062), (3354, 9480), (3397, 9360), (3440, 9243), (3555, 8944), (3792, 8385), (3870, 8216), (4108, 7740), (4472, 7110), (4680, 6794), (4740, 6708), (5031, 6320), (5135, 6192), (5160, 6162), (5590, 5688)]