251017620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{557}}^1$

素因数の和:642

約数の個数: 192

約数和(自身を含む): 854945280

約数和(自身を除く): 603927660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 37, 42, 58, 60, 70, 74, 84, 87, 105, 111, 116, 140, 145, 148, 174, 185, 203, 210, 222, 259, 290, 348, 370, 406, 420, 435, 444, 518, 555, 557, 580, 609, 740, 777, 812, 870, 1015, 1036, 1073, 1110, 1114, 1218, 1295, 1554, 1671, 1740, 2030, 2146, 2220, 2228, 2436, 2590, 2785, 3045, 3108, 3219, 3342, 3885, 3899, 4060, 4292, 5180, 5365, 5570, 6090, 6438, 6684, 7511, 7770, 7798, 8355, 10730, 11140, 11697, 12180, 12876, 15022, 15540, 15596, 16095, 16153, 16710, 19495, 20609, 21460, 22533, 23394, 30044, 32190, 32306, 33420, 37555, 38990, 41218, 45066, 46788, 48459, 58485, 61827, 64380, 64612, 75110, 77980, 80765, 82436, 90132, 96918, 103045, 112665, 113071, 116970, 123654, 144263, 150220, 161530, 193836, 206090, 225330, 226142, 233940, 242295, 247308, 288526, 309135, 323060, 339213, 412180, 432789, 450660, 452284, 484590, 565355, 577052, 597661, 618270, 678426, 721315, 865578, 969180, 1130710, 1195322, 1236540, 1356852, 1442630, 1696065, 1731156, 1792983, 2163945, 2261420, 2390644, 2885260, 2988305, 3392130, 3585966, 4183627, 4327890, 5976610, 6784260, 7171932, 8367254, 8655780, 8964915, 11953220, 12550881, 16734508, 17929830, 20918135, 25101762, 35859660, 41836270, 50203524, 62754405, 83672540, 125508810, 251017620]

約数ペア:

[(1, 251017620), (2, 125508810), (3, 83672540), (4, 62754405), (5, 50203524), (6, 41836270), (7, 35859660), (10, 25101762), (12, 20918135), (14, 17929830), (15, 16734508), (20, 12550881), (21, 11953220), (28, 8964915), (29, 8655780), (30, 8367254), (35, 7171932), (37, 6784260), (42, 5976610), (58, 4327890), (60, 4183627), (70, 3585966), (74, 3392130), (84, 2988305), (87, 2885260), (105, 2390644), (111, 2261420), (116, 2163945), (140, 1792983), (145, 1731156), (148, 1696065), (174, 1442630), (185, 1356852), (203, 1236540), (210, 1195322), (222, 1130710), (259, 969180), (290, 865578), (348, 721315), (370, 678426), (406, 618270), (420, 597661), (435, 577052), (444, 565355), (518, 484590), (555, 452284), (557, 450660), (580, 432789), (609, 412180), (740, 339213), (777, 323060), (812, 309135), (870, 288526), (1015, 247308), (1036, 242295), (1073, 233940), (1110, 226142), (1114, 225330), (1218, 206090), (1295, 193836), (1554, 161530), (1671, 150220), (1740, 144263), (2030, 123654), (2146, 116970), (2220, 113071), (2228, 112665), (2436, 103045), (2590, 96918), (2785, 90132), (3045, 82436), (3108, 80765), (3219, 77980), (3342, 75110), (3885, 64612), (3899, 64380), (4060, 61827), (4292, 58485), (5180, 48459), (5365, 46788), (5570, 45066), (6090, 41218), (6438, 38990), (6684, 37555), (7511, 33420), (7770, 32306), (7798, 32190), (8355, 30044), (10730, 23394), (11140, 22533), (11697, 21460), (12180, 20609), (12876, 19495), (15022, 16710), (15540, 16153), (15596, 16095)]