20161301580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{587}}^1\times {\mathrm{27259}}^1$

素因数の和:27868

約数の個数: 144

約数和(自身を含む): 70014147840

約数和(自身を除く): 49852846260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 587, 630, 1174, 1260, 1761, 2348, 2935, 3522, 4109, 5283, 5870, 7044, 8218, 8805, 10566, 11740, 12327, 16436, 17610, 20545, 21132, 24654, 26415, 27259, 35220, 36981, 41090, 49308, 52830, 54518, 61635, 73962, 81777, 82180, 105660, 109036, 123270, 136295, 147924, 163554, 184905, 190813, 245331, 246540, 272590, 327108, 369810, 381626, 408885, 490662, 545180, 572439, 739620, 763252, 817770, 954065, 981324, 1144878, 1226655, 1635540, 1717317, 1908130, 2289756, 2453310, 2862195, 3434634, 3816260, 4906620, 5724390, 6869268, 8586585, 11448780, 16001033, 17173170, 32002066, 34346340, 48003099, 64004132, 80005165, 96006198, 112007231, 144009297, 160010330, 192012396, 224014462, 240015495, 288018594, 320020660, 336021693, 448028924, 480030990, 560036155, 576037188, 672043386, 720046485, 960061980, 1008065079, 1120072310, 1344086772, 1440092970, 1680108465, 2016130158, 2240144620, 2880185940, 3360216930, 4032260316, 5040325395, 6720433860, 10080650790, 20161301580]

約数ペア:

[(1, 20161301580), (2, 10080650790), (3, 6720433860), (4, 5040325395), (5, 4032260316), (6, 3360216930), (7, 2880185940), (9, 2240144620), (10, 2016130158), (12, 1680108465), (14, 1440092970), (15, 1344086772), (18, 1120072310), (20, 1008065079), (21, 960061980), (28, 720046485), (30, 672043386), (35, 576037188), (36, 560036155), (42, 480030990), (45, 448028924), (60, 336021693), (63, 320020660), (70, 288018594), (84, 240015495), (90, 224014462), (105, 192012396), (126, 160010330), (140, 144009297), (180, 112007231), (210, 96006198), (252, 80005165), (315, 64004132), (420, 48003099), (587, 34346340), (630, 32002066), (1174, 17173170), (1260, 16001033), (1761, 11448780), (2348, 8586585), (2935, 6869268), (3522, 5724390), (4109, 4906620), (5283, 3816260), (5870, 3434634), (7044, 2862195), (8218, 2453310), (8805, 2289756), (10566, 1908130), (11740, 1717317), (12327, 1635540), (16436, 1226655), (17610, 1144878), (20545, 981324), (21132, 954065), (24654, 817770), (26415, 763252), (27259, 739620), (35220, 572439), (36981, 545180), (41090, 490662), (49308, 408885), (52830, 381626), (54518, 369810), (61635, 327108), (73962, 272590), (81777, 246540), (82180, 245331), (105660, 190813), (109036, 184905), (123270, 163554), (136295, 147924)]