31803720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:112

約数の個数: 256

約数和(自身を含む): 114912000

約数和(自身を除く): 83108280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 29, 30, 37, 38, 39, 40, 52, 57, 58, 60, 65, 74, 76, 78, 87, 95, 104, 111, 114, 116, 120, 130, 145, 148, 152, 156, 174, 185, 190, 195, 222, 228, 232, 247, 260, 285, 290, 296, 312, 348, 370, 377, 380, 390, 435, 444, 456, 481, 494, 520, 551, 555, 570, 580, 696, 703, 740, 741, 754, 760, 780, 870, 888, 962, 988, 1073, 1102, 1110, 1131, 1140, 1160, 1235, 1406, 1443, 1480, 1482, 1508, 1560, 1653, 1740, 1885, 1924, 1976, 2109, 2146, 2204, 2220, 2262, 2280, 2405, 2470, 2755, 2812, 2886, 2964, 3016, 3219, 3306, 3480, 3515, 3705, 3770, 3848, 4218, 4292, 4408, 4440, 4524, 4810, 4940, 5365, 5510, 5624, 5655, 5772, 5928, 6438, 6612, 7030, 7163, 7215, 7410, 7540, 8265, 8436, 8584, 9048, 9139, 9620, 9880, 10545, 10730, 11020, 11310, 11544, 12876, 13224, 13949, 14060, 14326, 14430, 14820, 15080, 16095, 16530, 16872, 18278, 19240, 20387, 21090, 21460, 21489, 22040, 22620, 25752, 27417, 27898, 28120, 28652, 28860, 29640, 32190, 33060, 35815, 36556, 40774, 41847, 42180, 42920, 42978, 45240, 45695, 54834, 55796, 57304, 57720, 61161, 64380, 66120, 69745, 71630, 73112, 81548, 83694, 84360, 85956, 91390, 101935, 107445, 109668, 111592, 122322, 128760, 137085, 139490, 143260, 163096, 167388, 171912, 182780, 203870, 209235, 214890, 219336, 244644, 265031, 274170, 278980, 286520, 305805, 334776, 365560, 407740, 418470, 429780, 489288, 530062, 548340, 557960, 611610, 795093, 815480, 836940, 859560, 1060124, 1096680, 1223220, 1325155, 1590186, 1673880, 2120248, 2446440, 2650310, 3180372, 3975465, 5300620, 6360744, 7950930, 10601240, 15901860, 31803720]

約数ペア:

[(1, 31803720), (2, 15901860), (3, 10601240), (4, 7950930), (5, 6360744), (6, 5300620), (8, 3975465), (10, 3180372), (12, 2650310), (13, 2446440), (15, 2120248), (19, 1673880), (20, 1590186), (24, 1325155), (26, 1223220), (29, 1096680), (30, 1060124), (37, 859560), (38, 836940), (39, 815480), (40, 795093), (52, 611610), (57, 557960), (58, 548340), (60, 530062), (65, 489288), (74, 429780), (76, 418470), (78, 407740), (87, 365560), (95, 334776), (104, 305805), (111, 286520), (114, 278980), (116, 274170), (120, 265031), (130, 244644), (145, 219336), (148, 214890), (152, 209235), (156, 203870), (174, 182780), (185, 171912), (190, 167388), (195, 163096), (222, 143260), (228, 139490), (232, 137085), (247, 128760), (260, 122322), (285, 111592), (290, 109668), (296, 107445), (312, 101935), (348, 91390), (370, 85956), (377, 84360), (380, 83694), (390, 81548), (435, 73112), (444, 71630), (456, 69745), (481, 66120), (494, 64380), (520, 61161), (551, 57720), (555, 57304), (570, 55796), (580, 54834), (696, 45695), (703, 45240), (740, 42978), (741, 42920), (754, 42180), (760, 41847), (780, 40774), (870, 36556), (888, 35815), (962, 33060), (988, 32190), (1073, 29640), (1102, 28860), (1110, 28652), (1131, 28120), (1140, 27898), (1160, 27417), (1235, 25752), (1406, 22620), (1443, 22040), (1480, 21489), (1482, 21460), (1508, 21090), (1560, 20387), (1653, 19240), (1740, 18278), (1885, 16872), (1924, 16530), (1976, 16095), (2109, 15080), (2146, 14820), (2204, 14430), (2220, 14326), (2262, 14060), (2280, 13949), (2405, 13224), (2470, 12876), (2755, 11544), (2812, 11310), (2886, 11020), (2964, 10730), (3016, 10545), (3219, 9880), (3306, 9620), (3480, 9139), (3515, 9048), (3705, 8584), (3770, 8436), (3848, 8265), (4218, 7540), (4292, 7410), (4408, 7215), (4440, 7163), (4524, 7030), (4810, 6612), (4940, 6438), (5365, 5928), (5510, 5772), (5624, 5655)]