31984680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:164

約数の個数: 256

約数和(自身を含む): 123379200

約数和(自身を除く): 91394520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 29, 30, 35, 39, 40, 42, 52, 56, 58, 60, 65, 70, 78, 84, 87, 91, 101, 104, 105, 116, 120, 130, 140, 145, 156, 168, 174, 182, 195, 202, 203, 210, 232, 260, 273, 280, 290, 303, 312, 348, 364, 377, 390, 404, 406, 420, 435, 455, 505, 520, 546, 580, 606, 609, 696, 707, 728, 754, 780, 808, 812, 840, 870, 910, 1010, 1015, 1092, 1131, 1160, 1212, 1218, 1313, 1365, 1414, 1508, 1515, 1560, 1624, 1740, 1820, 1885, 2020, 2030, 2121, 2184, 2262, 2424, 2436, 2626, 2639, 2730, 2828, 2929, 3016, 3030, 3045, 3480, 3535, 3640, 3770, 3939, 4040, 4060, 4242, 4524, 4872, 5252, 5278, 5460, 5655, 5656, 5858, 6060, 6090, 6565, 7070, 7540, 7878, 7917, 8120, 8484, 8787, 9048, 9191, 10504, 10556, 10605, 10920, 11310, 11716, 12120, 12180, 13130, 13195, 14140, 14645, 15080, 15756, 15834, 16968, 17574, 18382, 19695, 20503, 21112, 21210, 22620, 23432, 24360, 26260, 26390, 27573, 28280, 29290, 31512, 31668, 35148, 36764, 38077, 39390, 39585, 41006, 42420, 43935, 45240, 45955, 52520, 52780, 55146, 58580, 61509, 63336, 70296, 73528, 76154, 78780, 79170, 82012, 84840, 87870, 91910, 102515, 105560, 110292, 114231, 117160, 123018, 137865, 152308, 157560, 158340, 164024, 175740, 183820, 190385, 205030, 220584, 228462, 246036, 266539, 275730, 304616, 307545, 316680, 351480, 367640, 380770, 410060, 456924, 492072, 533078, 551460, 571155, 615090, 761540, 799617, 820120, 913848, 1066156, 1102920, 1142310, 1230180, 1332695, 1523080, 1599234, 2132312, 2284620, 2460360, 2665390, 3198468, 3998085, 4569240, 5330780, 6396936, 7996170, 10661560, 15992340, 31984680]

約数ペア:

[(1, 31984680), (2, 15992340), (3, 10661560), (4, 7996170), (5, 6396936), (6, 5330780), (7, 4569240), (8, 3998085), (10, 3198468), (12, 2665390), (13, 2460360), (14, 2284620), (15, 2132312), (20, 1599234), (21, 1523080), (24, 1332695), (26, 1230180), (28, 1142310), (29, 1102920), (30, 1066156), (35, 913848), (39, 820120), (40, 799617), (42, 761540), (52, 615090), (56, 571155), (58, 551460), (60, 533078), (65, 492072), (70, 456924), (78, 410060), (84, 380770), (87, 367640), (91, 351480), (101, 316680), (104, 307545), (105, 304616), (116, 275730), (120, 266539), (130, 246036), (140, 228462), (145, 220584), (156, 205030), (168, 190385), (174, 183820), (182, 175740), (195, 164024), (202, 158340), (203, 157560), (210, 152308), (232, 137865), (260, 123018), (273, 117160), (280, 114231), (290, 110292), (303, 105560), (312, 102515), (348, 91910), (364, 87870), (377, 84840), (390, 82012), (404, 79170), (406, 78780), (420, 76154), (435, 73528), (455, 70296), (505, 63336), (520, 61509), (546, 58580), (580, 55146), (606, 52780), (609, 52520), (696, 45955), (707, 45240), (728, 43935), (754, 42420), (780, 41006), (808, 39585), (812, 39390), (840, 38077), (870, 36764), (910, 35148), (1010, 31668), (1015, 31512), (1092, 29290), (1131, 28280), (1160, 27573), (1212, 26390), (1218, 26260), (1313, 24360), (1365, 23432), (1414, 22620), (1508, 21210), (1515, 21112), (1560, 20503), (1624, 19695), (1740, 18382), (1820, 17574), (1885, 16968), (2020, 15834), (2030, 15756), (2121, 15080), (2184, 14645), (2262, 14140), (2424, 13195), (2436, 13130), (2626, 12180), (2639, 12120), (2730, 11716), (2828, 11310), (2929, 10920), (3016, 10605), (3030, 10556), (3045, 10504), (3480, 9191), (3535, 9048), (3640, 8787), (3770, 8484), (3939, 8120), (4040, 7917), (4060, 7878), (4242, 7540), (4524, 7070), (4872, 6565), (5252, 6090), (5278, 6060), (5460, 5858), (5655, 5656)]