20100270720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{523}}^1\times {\mathrm{541}}^1$

素因数の和:1123

約数の個数: 256

約数和(自身を含む): 66048900480

約数和(自身を除く): 45948629760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 128, 148, 160, 185, 192, 222, 240, 296, 320, 370, 384, 444, 480, 523, 541, 555, 592, 640, 740, 888, 960, 1046, 1082, 1110, 1184, 1480, 1569, 1623, 1776, 1920, 2092, 2164, 2220, 2368, 2615, 2705, 2960, 3138, 3246, 3552, 4184, 4328, 4440, 4736, 5230, 5410, 5920, 6276, 6492, 7104, 7845, 8115, 8368, 8656, 8880, 10460, 10820, 11840, 12552, 12984, 14208, 15690, 16230, 16736, 17312, 17760, 19351, 20017, 20920, 21640, 23680, 25104, 25968, 31380, 32460, 33472, 34624, 35520, 38702, 40034, 41840, 43280, 50208, 51936, 58053, 60051, 62760, 64920, 66944, 69248, 71040, 77404, 80068, 83680, 86560, 96755, 100085, 100416, 103872, 116106, 120102, 125520, 129840, 154808, 160136, 167360, 173120, 193510, 200170, 200832, 207744, 232212, 240204, 251040, 259680, 282943, 290265, 300255, 309616, 320272, 334720, 346240, 387020, 400340, 464424, 480408, 502080, 519360, 565886, 580530, 600510, 619232, 640544, 774040, 800680, 848829, 928848, 960816, 1004160, 1038720, 1131772, 1161060, 1201020, 1238464, 1281088, 1414715, 1548080, 1601360, 1697658, 1857696, 1921632, 2263544, 2322120, 2402040, 2476928, 2562176, 2829430, 3096160, 3202720, 3395316, 3715392, 3843264, 4244145, 4527088, 4644240, 4804080, 5658860, 6192320, 6405440, 6790632, 7430784, 7686528, 8488290, 9054176, 9288480, 9608160, 10468891, 11317720, 12384640, 12810880, 13581264, 16976580, 18108352, 18576960, 19216320, 20937782, 22635440, 27162528, 31406673, 33953160, 36216704, 37153920, 38432640, 41875564, 45270880, 52344455, 54325056, 62813346, 67906320, 83751128, 90541760, 104688910, 108650112, 125626692, 135812640, 157033365, 167502256, 181083520, 209377820, 251253384, 271625280, 314066730, 335004512, 418755640, 502506768, 543250560, 628133460, 670009024, 837511280, 1005013536, 1256266920, 1340018048, 1675022560, 2010027072, 2512533840, 3350045120, 4020054144, 5025067680, 6700090240, 10050135360, 20100270720]

約数ペア:

[(1, 20100270720), (2, 10050135360), (3, 6700090240), (4, 5025067680), (5, 4020054144), (6, 3350045120), (8, 2512533840), (10, 2010027072), (12, 1675022560), (15, 1340018048), (16, 1256266920), (20, 1005013536), (24, 837511280), (30, 670009024), (32, 628133460), (37, 543250560), (40, 502506768), (48, 418755640), (60, 335004512), (64, 314066730), (74, 271625280), (80, 251253384), (96, 209377820), (111, 181083520), (120, 167502256), (128, 157033365), (148, 135812640), (160, 125626692), (185, 108650112), (192, 104688910), (222, 90541760), (240, 83751128), (296, 67906320), (320, 62813346), (370, 54325056), (384, 52344455), (444, 45270880), (480, 41875564), (523, 38432640), (541, 37153920), (555, 36216704), (592, 33953160), (640, 31406673), (740, 27162528), (888, 22635440), (960, 20937782), (1046, 19216320), (1082, 18576960), (1110, 18108352), (1184, 16976580), (1480, 13581264), (1569, 12810880), (1623, 12384640), (1776, 11317720), (1920, 10468891), (2092, 9608160), (2164, 9288480), (2220, 9054176), (2368, 8488290), (2615, 7686528), (2705, 7430784), (2960, 6790632), (3138, 6405440), (3246, 6192320), (3552, 5658860), (4184, 4804080), (4328, 4644240), (4440, 4527088), (4736, 4244145), (5230, 3843264), (5410, 3715392), (5920, 3395316), (6276, 3202720), (6492, 3096160), (7104, 2829430), (7845, 2562176), (8115, 2476928), (8368, 2402040), (8656, 2322120), (8880, 2263544), (10460, 1921632), (10820, 1857696), (11840, 1697658), (12552, 1601360), (12984, 1548080), (14208, 1414715), (15690, 1281088), (16230, 1238464), (16736, 1201020), (17312, 1161060), (17760, 1131772), (19351, 1038720), (20017, 1004160), (20920, 960816), (21640, 928848), (23680, 848829), (25104, 800680), (25968, 774040), (31380, 640544), (32460, 619232), (33472, 600510), (34624, 580530), (35520, 565886), (38702, 519360), (40034, 502080), (41840, 480408), (43280, 464424), (50208, 400340), (51936, 387020), (58053, 346240), (60051, 334720), (62760, 320272), (64920, 309616), (66944, 300255), (69248, 290265), (71040, 282943), (77404, 259680), (80068, 251040), (83680, 240204), (86560, 232212), (96755, 207744), (100085, 200832), (100416, 200170), (103872, 193510), (116106, 173120), (120102, 167360), (125520, 160136), (129840, 154808)]