1218538020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4127}}^1$

素因数の和:4202

約数の個数: 192

約数和(自身を含む): 4216504320

約数和(自身を除く): 2997966300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 37, 38, 42, 57, 60, 70, 74, 76, 84, 95, 105, 111, 114, 133, 140, 148, 185, 190, 210, 222, 228, 259, 266, 285, 370, 380, 399, 420, 444, 518, 532, 555, 570, 665, 703, 740, 777, 798, 1036, 1110, 1140, 1295, 1330, 1406, 1554, 1596, 1995, 2109, 2220, 2590, 2660, 2812, 3108, 3515, 3885, 3990, 4127, 4218, 4921, 5180, 7030, 7770, 7980, 8254, 8436, 9842, 10545, 12381, 14060, 14763, 15540, 16508, 19684, 20635, 21090, 24605, 24762, 28889, 29526, 41270, 42180, 49210, 49524, 57778, 59052, 61905, 73815, 78413, 82540, 86667, 98420, 115556, 123810, 144445, 147630, 152699, 156826, 173334, 235239, 247620, 288890, 295260, 305398, 313652, 346668, 392065, 433335, 458097, 470478, 548891, 577780, 610796, 763495, 784130, 866670, 916194, 940956, 1068893, 1097782, 1176195, 1526990, 1568260, 1646673, 1733340, 1832388, 2137786, 2195564, 2290485, 2352390, 2744455, 2901281, 3053980, 3206679, 3293346, 4275572, 4580970, 4704780, 5344465, 5488910, 5802562, 6413358, 6586692, 8233365, 8703843, 9161940, 10688930, 10977820, 11605124, 12826716, 14506405, 16033395, 16466730, 17407686, 20308967, 21377860, 29012810, 32066790, 32933460, 34815372, 40617934, 43519215, 58025620, 60926901, 64133580, 81235868, 87038430, 101544835, 121853802, 174076860, 203089670, 243707604, 304634505, 406179340, 609269010, 1218538020]

約数ペア:

[(1, 1218538020), (2, 609269010), (3, 406179340), (4, 304634505), (5, 243707604), (6, 203089670), (7, 174076860), (10, 121853802), (12, 101544835), (14, 87038430), (15, 81235868), (19, 64133580), (20, 60926901), (21, 58025620), (28, 43519215), (30, 40617934), (35, 34815372), (37, 32933460), (38, 32066790), (42, 29012810), (57, 21377860), (60, 20308967), (70, 17407686), (74, 16466730), (76, 16033395), (84, 14506405), (95, 12826716), (105, 11605124), (111, 10977820), (114, 10688930), (133, 9161940), (140, 8703843), (148, 8233365), (185, 6586692), (190, 6413358), (210, 5802562), (222, 5488910), (228, 5344465), (259, 4704780), (266, 4580970), (285, 4275572), (370, 3293346), (380, 3206679), (399, 3053980), (420, 2901281), (444, 2744455), (518, 2352390), (532, 2290485), (555, 2195564), (570, 2137786), (665, 1832388), (703, 1733340), (740, 1646673), (777, 1568260), (798, 1526990), (1036, 1176195), (1110, 1097782), (1140, 1068893), (1295, 940956), (1330, 916194), (1406, 866670), (1554, 784130), (1596, 763495), (1995, 610796), (2109, 577780), (2220, 548891), (2590, 470478), (2660, 458097), (2812, 433335), (3108, 392065), (3515, 346668), (3885, 313652), (3990, 305398), (4127, 295260), (4218, 288890), (4921, 247620), (5180, 235239), (7030, 173334), (7770, 156826), (7980, 152699), (8254, 147630), (8436, 144445), (9842, 123810), (10545, 115556), (12381, 98420), (14060, 86667), (14763, 82540), (15540, 78413), (16508, 73815), (19684, 61905), (20635, 59052), (21090, 57778), (24605, 49524), (24762, 49210), (28889, 42180), (29526, 41270)]