259723520

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:177

約数の個数: 216

約数和(自身を含む): 748680408

約数和(自身を除く): 488956888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 49, 56, 64, 70, 80, 82, 98, 101, 112, 128, 140, 160, 164, 196, 202, 205, 224, 245, 256, 280, 287, 320, 328, 392, 404, 410, 448, 490, 505, 560, 574, 640, 656, 707, 784, 808, 820, 896, 980, 1010, 1120, 1148, 1280, 1312, 1414, 1435, 1568, 1616, 1640, 1792, 1960, 2009, 2020, 2240, 2296, 2624, 2828, 2870, 3136, 3232, 3280, 3535, 3920, 4018, 4040, 4141, 4480, 4592, 4949, 5248, 5656, 5740, 6272, 6464, 6560, 7070, 7840, 8036, 8080, 8282, 8960, 9184, 9898, 10045, 10496, 11312, 11480, 12544, 12928, 13120, 14140, 15680, 16072, 16160, 16564, 18368, 19796, 20090, 20705, 22624, 22960, 24745, 25856, 26240, 28280, 28987, 31360, 32144, 32320, 33128, 36736, 39592, 40180, 41410, 45248, 45920, 49490, 52480, 56560, 57974, 62720, 64288, 64640, 66256, 73472, 79184, 80360, 82820, 90496, 91840, 98980, 113120, 115948, 128576, 129280, 132512, 144935, 158368, 160720, 165640, 180992, 183680, 197960, 202909, 226240, 231896, 257152, 265024, 289870, 316736, 321440, 331280, 367360, 395920, 405818, 452480, 463792, 514304, 530048, 579740, 633472, 642880, 662560, 791840, 811636, 904960, 927584, 1014545, 1060096, 1159480, 1266944, 1285760, 1325120, 1583680, 1623272, 1855168, 2029090, 2318960, 2571520, 2650240, 3167360, 3246544, 3710336, 4058180, 4637920, 5300480, 6334720, 6493088, 7420672, 8116360, 9275840, 12986176, 16232720, 18551680, 25972352, 32465440, 37103360, 51944704, 64930880, 129861760, 259723520]

約数ペア:

[(1, 259723520), (2, 129861760), (4, 64930880), (5, 51944704), (7, 37103360), (8, 32465440), (10, 25972352), (14, 18551680), (16, 16232720), (20, 12986176), (28, 9275840), (32, 8116360), (35, 7420672), (40, 6493088), (41, 6334720), (49, 5300480), (56, 4637920), (64, 4058180), (70, 3710336), (80, 3246544), (82, 3167360), (98, 2650240), (101, 2571520), (112, 2318960), (128, 2029090), (140, 1855168), (160, 1623272), (164, 1583680), (196, 1325120), (202, 1285760), (205, 1266944), (224, 1159480), (245, 1060096), (256, 1014545), (280, 927584), (287, 904960), (320, 811636), (328, 791840), (392, 662560), (404, 642880), (410, 633472), (448, 579740), (490, 530048), (505, 514304), (560, 463792), (574, 452480), (640, 405818), (656, 395920), (707, 367360), (784, 331280), (808, 321440), (820, 316736), (896, 289870), (980, 265024), (1010, 257152), (1120, 231896), (1148, 226240), (1280, 202909), (1312, 197960), (1414, 183680), (1435, 180992), (1568, 165640), (1616, 160720), (1640, 158368), (1792, 144935), (1960, 132512), (2009, 129280), (2020, 128576), (2240, 115948), (2296, 113120), (2624, 98980), (2828, 91840), (2870, 90496), (3136, 82820), (3232, 80360), (3280, 79184), (3535, 73472), (3920, 66256), (4018, 64640), (4040, 64288), (4141, 62720), (4480, 57974), (4592, 56560), (4949, 52480), (5248, 49490), (5656, 45920), (5740, 45248), (6272, 41410), (6464, 40180), (6560, 39592), (7070, 36736), (7840, 33128), (8036, 32320), (8080, 32144), (8282, 31360), (8960, 28987), (9184, 28280), (9898, 26240), (10045, 25856), (10496, 24745), (11312, 22960), (11480, 22624), (12544, 20705), (12928, 20090), (13120, 19796), (14140, 18368), (15680, 16564), (16072, 16160)]