155538180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:203

約数の個数: 288

約数和(自身を含む): 581817600

約数和(自身を除く): 426279420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 73, 76, 84, 89, 90, 95, 105, 114, 126, 133, 140, 146, 171, 178, 180, 190, 210, 219, 228, 252, 266, 267, 285, 292, 315, 342, 356, 365, 380, 399, 420, 438, 445, 511, 532, 534, 570, 623, 630, 657, 665, 684, 730, 798, 801, 855, 876, 890, 1022, 1068, 1095, 1140, 1197, 1246, 1260, 1314, 1330, 1335, 1387, 1460, 1533, 1596, 1602, 1691, 1710, 1780, 1869, 1995, 2044, 2190, 2394, 2492, 2555, 2628, 2660, 2670, 2774, 3066, 3115, 3204, 3285, 3382, 3420, 3738, 3990, 4005, 4161, 4380, 4599, 4788, 5073, 5110, 5340, 5548, 5607, 5985, 6132, 6230, 6497, 6570, 6764, 6935, 7476, 7665, 7980, 8010, 8322, 8455, 9198, 9345, 9709, 10146, 10220, 11214, 11837, 11970, 12460, 12483, 12994, 13140, 13870, 15219, 15330, 16020, 16644, 16910, 18396, 18690, 19418, 19491, 20292, 20805, 22428, 22995, 23674, 23940, 24966, 25365, 25988, 27740, 28035, 29127, 30438, 30660, 32485, 33820, 35511, 37380, 38836, 38982, 41610, 45479, 45990, 47348, 48545, 49932, 50730, 56070, 58254, 58473, 59185, 60876, 62415, 64970, 71022, 76095, 77964, 83220, 87381, 90958, 91980, 97090, 97455, 101460, 106533, 112140, 116508, 116946, 118370, 123443, 124830, 129940, 136437, 142044, 145635, 152190, 174762, 177555, 181916, 194180, 194910, 213066, 227395, 233892, 236740, 246886, 249660, 272874, 291270, 292365, 304380, 349524, 355110, 370329, 389820, 409311, 426132, 436905, 454790, 493772, 532665, 545748, 582540, 584730, 617215, 682185, 710220, 740658, 818622, 864101, 873810, 909580, 1065330, 1110987, 1169460, 1234430, 1364370, 1481316, 1637244, 1728202, 1747620, 1851645, 2046555, 2130660, 2221974, 2468860, 2592303, 2728740, 3456404, 3703290, 4093110, 4320505, 4443948, 5184606, 5554935, 7406580, 7776909, 8186220, 8641010, 10369212, 11109870, 12961515, 15553818, 17282020, 22219740, 25923030, 31107636, 38884545, 51846060, 77769090, 155538180]

約数ペア:

[(1, 155538180), (2, 77769090), (3, 51846060), (4, 38884545), (5, 31107636), (6, 25923030), (7, 22219740), (9, 17282020), (10, 15553818), (12, 12961515), (14, 11109870), (15, 10369212), (18, 8641010), (19, 8186220), (20, 7776909), (21, 7406580), (28, 5554935), (30, 5184606), (35, 4443948), (36, 4320505), (38, 4093110), (42, 3703290), (45, 3456404), (57, 2728740), (60, 2592303), (63, 2468860), (70, 2221974), (73, 2130660), (76, 2046555), (84, 1851645), (89, 1747620), (90, 1728202), (95, 1637244), (105, 1481316), (114, 1364370), (126, 1234430), (133, 1169460), (140, 1110987), (146, 1065330), (171, 909580), (178, 873810), (180, 864101), (190, 818622), (210, 740658), (219, 710220), (228, 682185), (252, 617215), (266, 584730), (267, 582540), (285, 545748), (292, 532665), (315, 493772), (342, 454790), (356, 436905), (365, 426132), (380, 409311), (399, 389820), (420, 370329), (438, 355110), (445, 349524), (511, 304380), (532, 292365), (534, 291270), (570, 272874), (623, 249660), (630, 246886), (657, 236740), (665, 233892), (684, 227395), (730, 213066), (798, 194910), (801, 194180), (855, 181916), (876, 177555), (890, 174762), (1022, 152190), (1068, 145635), (1095, 142044), (1140, 136437), (1197, 129940), (1246, 124830), (1260, 123443), (1314, 118370), (1330, 116946), (1335, 116508), (1387, 112140), (1460, 106533), (1533, 101460), (1596, 97455), (1602, 97090), (1691, 91980), (1710, 90958), (1780, 87381), (1869, 83220), (1995, 77964), (2044, 76095), (2190, 71022), (2394, 64970), (2492, 62415), (2555, 60876), (2628, 59185), (2660, 58473), (2670, 58254), (2774, 56070), (3066, 50730), (3115, 49932), (3204, 48545), (3285, 47348), (3382, 45990), (3420, 45479), (3738, 41610), (3990, 38982), (4005, 38836), (4161, 37380), (4380, 35511), (4599, 33820), (4788, 32485), (5073, 30660), (5110, 30438), (5340, 29127), (5548, 28035), (5607, 27740), (5985, 25988), (6132, 25365), (6230, 24966), (6497, 23940), (6570, 23674), (6764, 22995), (6935, 22428), (7476, 20805), (7665, 20292), (7980, 19491), (8010, 19418), (8322, 18690), (8455, 18396), (9198, 16910), (9345, 16644), (9709, 16020), (10146, 15330), (10220, 15219), (11214, 13870), (11837, 13140), (11970, 12994), (12460, 12483)]