638028900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{227}}^1\times {\mathrm{347}}^1$

素因数の和:600

約数の個数: 180

約数和(自身を含む): 2083335408

約数和(自身を除く): 1445306508

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 227, 270, 300, 324, 347, 405, 450, 454, 540, 675, 681, 694, 810, 900, 908, 1041, 1135, 1350, 1362, 1388, 1620, 1735, 2025, 2043, 2082, 2270, 2700, 2724, 3123, 3405, 3470, 4050, 4086, 4164, 4540, 5205, 5675, 6129, 6246, 6810, 6940, 8100, 8172, 8675, 9369, 10215, 10410, 11350, 12258, 12492, 13620, 15615, 17025, 17350, 18387, 18738, 20430, 20820, 22700, 24516, 26025, 28107, 30645, 31230, 34050, 34700, 36774, 37476, 40860, 46845, 51075, 52050, 56214, 61290, 62460, 68100, 73548, 78075, 78769, 91935, 93690, 102150, 104100, 112428, 122580, 140535, 153225, 156150, 157538, 183870, 187380, 204300, 234225, 236307, 281070, 306450, 312300, 315076, 367740, 393845, 459675, 468450, 472614, 562140, 612900, 702675, 708921, 787690, 919350, 936900, 945228, 1181535, 1405350, 1417842, 1575380, 1838700, 1969225, 2126763, 2363070, 2810700, 2835684, 3544605, 3938450, 4253526, 4726140, 5907675, 6380289, 7089210, 7876900, 8507052, 10633815, 11815350, 12760578, 14178420, 17723025, 21267630, 23630700, 25521156, 31901445, 35446050, 42535260, 53169075, 63802890, 70892100, 106338150, 127605780, 159507225, 212676300, 319014450, 638028900]

約数ペア:

[(1, 638028900), (2, 319014450), (3, 212676300), (4, 159507225), (5, 127605780), (6, 106338150), (9, 70892100), (10, 63802890), (12, 53169075), (15, 42535260), (18, 35446050), (20, 31901445), (25, 25521156), (27, 23630700), (30, 21267630), (36, 17723025), (45, 14178420), (50, 12760578), (54, 11815350), (60, 10633815), (75, 8507052), (81, 7876900), (90, 7089210), (100, 6380289), (108, 5907675), (135, 4726140), (150, 4253526), (162, 3938450), (180, 3544605), (225, 2835684), (227, 2810700), (270, 2363070), (300, 2126763), (324, 1969225), (347, 1838700), (405, 1575380), (450, 1417842), (454, 1405350), (540, 1181535), (675, 945228), (681, 936900), (694, 919350), (810, 787690), (900, 708921), (908, 702675), (1041, 612900), (1135, 562140), (1350, 472614), (1362, 468450), (1388, 459675), (1620, 393845), (1735, 367740), (2025, 315076), (2043, 312300), (2082, 306450), (2270, 281070), (2700, 236307), (2724, 234225), (3123, 204300), (3405, 187380), (3470, 183870), (4050, 157538), (4086, 156150), (4164, 153225), (4540, 140535), (5205, 122580), (5675, 112428), (6129, 104100), (6246, 102150), (6810, 93690), (6940, 91935), (8100, 78769), (8172, 78075), (8675, 73548), (9369, 68100), (10215, 62460), (10410, 61290), (11350, 56214), (12258, 52050), (12492, 51075), (13620, 46845), (15615, 40860), (17025, 37476), (17350, 36774), (18387, 34700), (18738, 34050), (20430, 31230), (20820, 30645), (22700, 28107), (24516, 26025)]