131880320

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1$

素因数の和:185

約数の個数: 192

約数和(自身を含む): 376049520

約数和(自身を除く): 244169200

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 121, 128, 130, 131, 143, 160, 176, 208, 220, 242, 260, 262, 286, 320, 352, 416, 440, 484, 520, 524, 572, 605, 640, 655, 704, 715, 832, 880, 968, 1040, 1048, 1144, 1210, 1310, 1408, 1430, 1441, 1573, 1664, 1703, 1760, 1936, 2080, 2096, 2288, 2420, 2620, 2860, 2882, 3146, 3406, 3520, 3872, 4160, 4192, 4576, 4840, 5240, 5720, 5764, 6292, 6812, 7040, 7205, 7744, 7865, 8320, 8384, 8515, 9152, 9680, 10480, 11440, 11528, 12584, 13624, 14410, 15488, 15730, 15851, 16768, 17030, 18304, 18733, 19360, 20960, 22880, 23056, 25168, 27248, 28820, 31460, 31702, 34060, 37466, 38720, 41920, 45760, 46112, 50336, 54496, 57640, 62920, 63404, 68120, 74932, 77440, 79255, 83840, 91520, 92224, 93665, 100672, 108992, 115280, 125840, 126808, 136240, 149864, 158510, 184448, 187330, 201344, 206063, 217984, 230560, 251680, 253616, 272480, 299728, 317020, 374660, 412126, 461120, 503360, 507232, 544960, 599456, 634040, 749320, 824252, 922240, 1006720, 1014464, 1030315, 1089920, 1198912, 1268080, 1498640, 1648504, 2028928, 2060630, 2397824, 2536160, 2997280, 3297008, 4121260, 5072320, 5994560, 6594016, 8242520, 10144640, 11989120, 13188032, 16485040, 26376064, 32970080, 65940160, 131880320]

約数ペア:

[(1, 131880320), (2, 65940160), (4, 32970080), (5, 26376064), (8, 16485040), (10, 13188032), (11, 11989120), (13, 10144640), (16, 8242520), (20, 6594016), (22, 5994560), (26, 5072320), (32, 4121260), (40, 3297008), (44, 2997280), (52, 2536160), (55, 2397824), (64, 2060630), (65, 2028928), (80, 1648504), (88, 1498640), (104, 1268080), (110, 1198912), (121, 1089920), (128, 1030315), (130, 1014464), (131, 1006720), (143, 922240), (160, 824252), (176, 749320), (208, 634040), (220, 599456), (242, 544960), (260, 507232), (262, 503360), (286, 461120), (320, 412126), (352, 374660), (416, 317020), (440, 299728), (484, 272480), (520, 253616), (524, 251680), (572, 230560), (605, 217984), (640, 206063), (655, 201344), (704, 187330), (715, 184448), (832, 158510), (880, 149864), (968, 136240), (1040, 126808), (1048, 125840), (1144, 115280), (1210, 108992), (1310, 100672), (1408, 93665), (1430, 92224), (1441, 91520), (1573, 83840), (1664, 79255), (1703, 77440), (1760, 74932), (1936, 68120), (2080, 63404), (2096, 62920), (2288, 57640), (2420, 54496), (2620, 50336), (2860, 46112), (2882, 45760), (3146, 41920), (3406, 38720), (3520, 37466), (3872, 34060), (4160, 31702), (4192, 31460), (4576, 28820), (4840, 27248), (5240, 25168), (5720, 23056), (5764, 22880), (6292, 20960), (6812, 19360), (7040, 18733), (7205, 18304), (7744, 17030), (7865, 16768), (8320, 15851), (8384, 15730), (8515, 15488), (9152, 14410), (9680, 13624), (10480, 12584), (11440, 11528)]