355161520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:399

約数の個数: 160

約数和(自身を含む): 988615296

約数和(自身を除く): 633453776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 61, 70, 74, 80, 112, 122, 140, 148, 185, 244, 259, 280, 281, 296, 305, 370, 427, 488, 518, 560, 562, 592, 610, 740, 854, 976, 1036, 1124, 1220, 1295, 1405, 1480, 1708, 1967, 2072, 2135, 2248, 2257, 2440, 2590, 2810, 2960, 3416, 3934, 4144, 4270, 4496, 4514, 4880, 5180, 5620, 6832, 7868, 8540, 9028, 9835, 10360, 10397, 11240, 11285, 15736, 15799, 17080, 17141, 18056, 19670, 20720, 20794, 22480, 22570, 31472, 31598, 34160, 34282, 36112, 39340, 41588, 45140, 51985, 63196, 68564, 72779, 78680, 78995, 83176, 85705, 90280, 103970, 119987, 126392, 137128, 145558, 157360, 157990, 166352, 171410, 180560, 207940, 239974, 252784, 274256, 291116, 315980, 342820, 363895, 415880, 479948, 582232, 599935, 631960, 634217, 685640, 727790, 831760, 959896, 1164464, 1199870, 1263920, 1268434, 1371280, 1455580, 1919792, 2399740, 2536868, 2911160, 3171085, 4439519, 4799480, 5073736, 5822320, 6342170, 8879038, 9598960, 10147472, 12684340, 17758076, 22197595, 25368680, 35516152, 44395190, 50737360, 71032304, 88790380, 177580760, 355161520]

約数ペア:

[(1, 355161520), (2, 177580760), (4, 88790380), (5, 71032304), (7, 50737360), (8, 44395190), (10, 35516152), (14, 25368680), (16, 22197595), (20, 17758076), (28, 12684340), (35, 10147472), (37, 9598960), (40, 8879038), (56, 6342170), (61, 5822320), (70, 5073736), (74, 4799480), (80, 4439519), (112, 3171085), (122, 2911160), (140, 2536868), (148, 2399740), (185, 1919792), (244, 1455580), (259, 1371280), (280, 1268434), (281, 1263920), (296, 1199870), (305, 1164464), (370, 959896), (427, 831760), (488, 727790), (518, 685640), (560, 634217), (562, 631960), (592, 599935), (610, 582232), (740, 479948), (854, 415880), (976, 363895), (1036, 342820), (1124, 315980), (1220, 291116), (1295, 274256), (1405, 252784), (1480, 239974), (1708, 207940), (1967, 180560), (2072, 171410), (2135, 166352), (2248, 157990), (2257, 157360), (2440, 145558), (2590, 137128), (2810, 126392), (2960, 119987), (3416, 103970), (3934, 90280), (4144, 85705), (4270, 83176), (4496, 78995), (4514, 78680), (4880, 72779), (5180, 68564), (5620, 63196), (6832, 51985), (7868, 45140), (8540, 41588), (9028, 39340), (9835, 36112), (10360, 34282), (10397, 34160), (11240, 31598), (11285, 31472), (15736, 22570), (15799, 22480), (17080, 20794), (17141, 20720), (18056, 19670)]