245655480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2683}}^1$

素因数の和:2813

約数の個数: 128

約数和(自身を含む): 850291200

約数和(自身を除く): 604635720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 109, 120, 140, 168, 210, 218, 280, 327, 420, 436, 545, 654, 763, 840, 872, 1090, 1308, 1526, 1635, 2180, 2289, 2616, 2683, 3052, 3270, 3815, 4360, 4578, 5366, 6104, 6540, 7630, 8049, 9156, 10732, 11445, 13080, 13415, 15260, 16098, 18312, 18781, 21464, 22890, 26830, 30520, 32196, 37562, 40245, 45780, 53660, 56343, 64392, 75124, 80490, 91560, 93905, 107320, 112686, 150248, 160980, 187810, 225372, 281715, 292447, 321960, 375620, 450744, 563430, 584894, 751240, 877341, 1126860, 1169788, 1462235, 1754682, 2047129, 2253720, 2339576, 2924470, 3509364, 4094258, 4386705, 5848940, 6141387, 7018728, 8188516, 8773410, 10235645, 11697880, 12282774, 16377032, 17546820, 20471290, 24565548, 30706935, 35093640, 40942580, 49131096, 61413870, 81885160, 122827740, 245655480]

約数ペア:

[(1, 245655480), (2, 122827740), (3, 81885160), (4, 61413870), (5, 49131096), (6, 40942580), (7, 35093640), (8, 30706935), (10, 24565548), (12, 20471290), (14, 17546820), (15, 16377032), (20, 12282774), (21, 11697880), (24, 10235645), (28, 8773410), (30, 8188516), (35, 7018728), (40, 6141387), (42, 5848940), (56, 4386705), (60, 4094258), (70, 3509364), (84, 2924470), (105, 2339576), (109, 2253720), (120, 2047129), (140, 1754682), (168, 1462235), (210, 1169788), (218, 1126860), (280, 877341), (327, 751240), (420, 584894), (436, 563430), (545, 450744), (654, 375620), (763, 321960), (840, 292447), (872, 281715), (1090, 225372), (1308, 187810), (1526, 160980), (1635, 150248), (2180, 112686), (2289, 107320), (2616, 93905), (2683, 91560), (3052, 80490), (3270, 75124), (3815, 64392), (4360, 56343), (4578, 53660), (5366, 45780), (6104, 40245), (6540, 37562), (7630, 32196), (8049, 30520), (9156, 26830), (10732, 22890), (11445, 21464), (13080, 18781), (13415, 18312), (15260, 16098)]