172974780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{439}}^1$

素因数の和:664

約数の個数: 144

約数和(自身を含む): 576576000

約数和(自身を除く): 403601220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 199, 220, 330, 396, 398, 439, 495, 597, 660, 796, 878, 990, 995, 1194, 1317, 1756, 1791, 1980, 1990, 2189, 2195, 2388, 2634, 2985, 3582, 3951, 3980, 4378, 4390, 4829, 5268, 5970, 6567, 6585, 7164, 7902, 8756, 8780, 8955, 9658, 10945, 11940, 13134, 13170, 14487, 15804, 17910, 19316, 19701, 19755, 21890, 24145, 26268, 26340, 28974, 32835, 35820, 39402, 39510, 43461, 43780, 48290, 57948, 65670, 72435, 78804, 79020, 86922, 87361, 96580, 98505, 131340, 144870, 173844, 174722, 197010, 217305, 262083, 289740, 349444, 394020, 434610, 436805, 524166, 786249, 869220, 873610, 960971, 1048332, 1310415, 1572498, 1747220, 1921942, 2620830, 2882913, 3144996, 3843884, 3931245, 4804855, 5241660, 5765826, 7862490, 8648739, 9609710, 11531652, 14414565, 15724980, 17297478, 19219420, 28829130, 34594956, 43243695, 57658260, 86487390, 172974780]

約数ペア:

[(1, 172974780), (2, 86487390), (3, 57658260), (4, 43243695), (5, 34594956), (6, 28829130), (9, 19219420), (10, 17297478), (11, 15724980), (12, 14414565), (15, 11531652), (18, 9609710), (20, 8648739), (22, 7862490), (30, 5765826), (33, 5241660), (36, 4804855), (44, 3931245), (45, 3843884), (55, 3144996), (60, 2882913), (66, 2620830), (90, 1921942), (99, 1747220), (110, 1572498), (132, 1310415), (165, 1048332), (180, 960971), (198, 873610), (199, 869220), (220, 786249), (330, 524166), (396, 436805), (398, 434610), (439, 394020), (495, 349444), (597, 289740), (660, 262083), (796, 217305), (878, 197010), (990, 174722), (995, 173844), (1194, 144870), (1317, 131340), (1756, 98505), (1791, 96580), (1980, 87361), (1990, 86922), (2189, 79020), (2195, 78804), (2388, 72435), (2634, 65670), (2985, 57948), (3582, 48290), (3951, 43780), (3980, 43461), (4378, 39510), (4390, 39402), (4829, 35820), (5268, 32835), (5970, 28974), (6567, 26340), (6585, 26268), (7164, 24145), (7902, 21890), (8756, 19755), (8780, 19701), (8955, 19316), (9658, 17910), (10945, 15804), (11940, 14487), (13134, 13170)]