128220960

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1231}}^1$

素因数の和:1287

約数の個数: 192

約数和(自身を含む): 476872704

約数和(自身を除く): 348651744

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 96, 105, 112, 120, 124, 140, 155, 160, 168, 186, 210, 217, 224, 240, 248, 280, 310, 336, 372, 420, 434, 465, 480, 496, 560, 620, 651, 672, 744, 840, 868, 930, 992, 1085, 1120, 1231, 1240, 1302, 1488, 1680, 1736, 1860, 2170, 2462, 2480, 2604, 2976, 3255, 3360, 3472, 3693, 3720, 4340, 4924, 4960, 5208, 6155, 6510, 6944, 7386, 7440, 8617, 8680, 9848, 10416, 12310, 13020, 14772, 14880, 17234, 17360, 18465, 19696, 20832, 24620, 25851, 26040, 29544, 34468, 34720, 36930, 38161, 39392, 43085, 49240, 51702, 52080, 59088, 68936, 73860, 76322, 86170, 98480, 103404, 104160, 114483, 118176, 129255, 137872, 147720, 152644, 172340, 190805, 196960, 206808, 228966, 258510, 267127, 275744, 295440, 305288, 344680, 381610, 413616, 457932, 517020, 534254, 572415, 590880, 610576, 689360, 763220, 801381, 827232, 915864, 1034040, 1068508, 1144830, 1221152, 1335635, 1378720, 1526440, 1602762, 1831728, 2068080, 2137016, 2289660, 2671270, 3052880, 3205524, 3663456, 4006905, 4136160, 4274032, 4579320, 5342540, 6105760, 6411048, 8013810, 8548064, 9158640, 10685080, 12822096, 16027620, 18317280, 21370160, 25644192, 32055240, 42740320, 64110480, 128220960]

約数ペア:

[(1, 128220960), (2, 64110480), (3, 42740320), (4, 32055240), (5, 25644192), (6, 21370160), (7, 18317280), (8, 16027620), (10, 12822096), (12, 10685080), (14, 9158640), (15, 8548064), (16, 8013810), (20, 6411048), (21, 6105760), (24, 5342540), (28, 4579320), (30, 4274032), (31, 4136160), (32, 4006905), (35, 3663456), (40, 3205524), (42, 3052880), (48, 2671270), (56, 2289660), (60, 2137016), (62, 2068080), (70, 1831728), (80, 1602762), (84, 1526440), (93, 1378720), (96, 1335635), (105, 1221152), (112, 1144830), (120, 1068508), (124, 1034040), (140, 915864), (155, 827232), (160, 801381), (168, 763220), (186, 689360), (210, 610576), (217, 590880), (224, 572415), (240, 534254), (248, 517020), (280, 457932), (310, 413616), (336, 381610), (372, 344680), (420, 305288), (434, 295440), (465, 275744), (480, 267127), (496, 258510), (560, 228966), (620, 206808), (651, 196960), (672, 190805), (744, 172340), (840, 152644), (868, 147720), (930, 137872), (992, 129255), (1085, 118176), (1120, 114483), (1231, 104160), (1240, 103404), (1302, 98480), (1488, 86170), (1680, 76322), (1736, 73860), (1860, 68936), (2170, 59088), (2462, 52080), (2480, 51702), (2604, 49240), (2976, 43085), (3255, 39392), (3360, 38161), (3472, 36930), (3693, 34720), (3720, 34468), (4340, 29544), (4924, 26040), (4960, 25851), (5208, 24620), (6155, 20832), (6510, 19696), (6944, 18465), (7386, 17360), (7440, 17234), (8617, 14880), (8680, 14772), (9848, 13020), (10416, 12310)]