215405120

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:197

約数の個数: 224

約数和(自身を含む): 633788928

約数和(自身を除く): 418383808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 37, 40, 46, 56, 64, 70, 74, 80, 92, 112, 113, 115, 140, 148, 160, 161, 184, 185, 224, 226, 230, 259, 280, 296, 320, 322, 368, 370, 448, 452, 460, 518, 560, 565, 592, 644, 736, 740, 791, 805, 851, 904, 920, 1036, 1120, 1130, 1184, 1288, 1295, 1472, 1480, 1582, 1610, 1702, 1808, 1840, 2072, 2240, 2260, 2368, 2576, 2590, 2599, 2960, 3164, 3220, 3404, 3616, 3680, 3955, 4144, 4181, 4255, 4520, 5152, 5180, 5198, 5920, 5957, 6328, 6440, 6808, 7232, 7360, 7910, 8288, 8362, 8510, 9040, 10304, 10360, 10396, 11840, 11914, 12656, 12880, 12995, 13616, 15820, 16576, 16724, 17020, 18080, 18193, 20720, 20792, 20905, 23828, 25312, 25760, 25990, 27232, 29267, 29785, 31640, 33448, 34040, 36160, 36386, 41440, 41584, 41810, 47656, 50624, 51520, 51980, 54464, 58534, 59570, 63280, 66896, 68080, 72772, 82880, 83168, 83620, 90965, 95312, 96163, 103960, 117068, 119140, 126560, 133792, 136160, 145544, 146335, 166336, 167240, 181930, 190624, 192326, 207920, 234136, 238280, 253120, 267584, 272320, 291088, 292670, 334480, 363860, 381248, 384652, 415840, 468272, 476560, 480815, 582176, 585340, 668960, 673141, 727720, 769304, 831680, 936544, 953120, 961630, 1164352, 1170680, 1337920, 1346282, 1455440, 1538608, 1873088, 1906240, 1923260, 2341360, 2692564, 2910880, 3077216, 3365705, 3846520, 4682720, 5385128, 5821760, 6154432, 6731410, 7693040, 9365440, 10770256, 13462820, 15386080, 21540512, 26925640, 30772160, 43081024, 53851280, 107702560, 215405120]

約数ペア:

[(1, 215405120), (2, 107702560), (4, 53851280), (5, 43081024), (7, 30772160), (8, 26925640), (10, 21540512), (14, 15386080), (16, 13462820), (20, 10770256), (23, 9365440), (28, 7693040), (32, 6731410), (35, 6154432), (37, 5821760), (40, 5385128), (46, 4682720), (56, 3846520), (64, 3365705), (70, 3077216), (74, 2910880), (80, 2692564), (92, 2341360), (112, 1923260), (113, 1906240), (115, 1873088), (140, 1538608), (148, 1455440), (160, 1346282), (161, 1337920), (184, 1170680), (185, 1164352), (224, 961630), (226, 953120), (230, 936544), (259, 831680), (280, 769304), (296, 727720), (320, 673141), (322, 668960), (368, 585340), (370, 582176), (448, 480815), (452, 476560), (460, 468272), (518, 415840), (560, 384652), (565, 381248), (592, 363860), (644, 334480), (736, 292670), (740, 291088), (791, 272320), (805, 267584), (851, 253120), (904, 238280), (920, 234136), (1036, 207920), (1120, 192326), (1130, 190624), (1184, 181930), (1288, 167240), (1295, 166336), (1472, 146335), (1480, 145544), (1582, 136160), (1610, 133792), (1702, 126560), (1808, 119140), (1840, 117068), (2072, 103960), (2240, 96163), (2260, 95312), (2368, 90965), (2576, 83620), (2590, 83168), (2599, 82880), (2960, 72772), (3164, 68080), (3220, 66896), (3404, 63280), (3616, 59570), (3680, 58534), (3955, 54464), (4144, 51980), (4181, 51520), (4255, 50624), (4520, 47656), (5152, 41810), (5180, 41584), (5198, 41440), (5920, 36386), (5957, 36160), (6328, 34040), (6440, 33448), (6808, 31640), (7232, 29785), (7360, 29267), (7910, 27232), (8288, 25990), (8362, 25760), (8510, 25312), (9040, 23828), (10304, 20905), (10360, 20792), (10396, 20720), (11840, 18193), (11914, 18080), (12656, 17020), (12880, 16724), (12995, 16576), (13616, 15820)]