161988984

素因数分解:

$2^3\times 3^4\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:319

約数の個数: 160

約数和(自身を含む): 487872000

約数和(自身を除く): 325883016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 59, 72, 76, 81, 108, 114, 118, 152, 162, 171, 177, 216, 223, 228, 236, 324, 342, 354, 446, 456, 472, 513, 531, 648, 669, 684, 708, 892, 1026, 1062, 1121, 1338, 1368, 1416, 1539, 1593, 1784, 2007, 2052, 2124, 2242, 2676, 3078, 3186, 3363, 4014, 4104, 4237, 4248, 4484, 4779, 5352, 6021, 6156, 6372, 6726, 8028, 8474, 8968, 9558, 10089, 12042, 12312, 12711, 12744, 13157, 13452, 16056, 16948, 18063, 19116, 20178, 24084, 25422, 26314, 26904, 30267, 33896, 36126, 38133, 38232, 39471, 40356, 48168, 50844, 52628, 60534, 72252, 76266, 78942, 80712, 90801, 101688, 105256, 114399, 118413, 121068, 144504, 152532, 157884, 181602, 228798, 236826, 242136, 249983, 305064, 315768, 343197, 355239, 363204, 457596, 473652, 499966, 686394, 710478, 726408, 749949, 915192, 947304, 999932, 1065717, 1372788, 1420956, 1499898, 1999864, 2131434, 2249847, 2745576, 2841912, 2999796, 4262868, 4499694, 5999592, 6749541, 8525736, 8999388, 13499082, 17998776, 20248623, 26998164, 40497246, 53996328, 80994492, 161988984]

約数ペア:

[(1, 161988984), (2, 80994492), (3, 53996328), (4, 40497246), (6, 26998164), (8, 20248623), (9, 17998776), (12, 13499082), (18, 8999388), (19, 8525736), (24, 6749541), (27, 5999592), (36, 4499694), (38, 4262868), (54, 2999796), (57, 2841912), (59, 2745576), (72, 2249847), (76, 2131434), (81, 1999864), (108, 1499898), (114, 1420956), (118, 1372788), (152, 1065717), (162, 999932), (171, 947304), (177, 915192), (216, 749949), (223, 726408), (228, 710478), (236, 686394), (324, 499966), (342, 473652), (354, 457596), (446, 363204), (456, 355239), (472, 343197), (513, 315768), (531, 305064), (648, 249983), (669, 242136), (684, 236826), (708, 228798), (892, 181602), (1026, 157884), (1062, 152532), (1121, 144504), (1338, 121068), (1368, 118413), (1416, 114399), (1539, 105256), (1593, 101688), (1784, 90801), (2007, 80712), (2052, 78942), (2124, 76266), (2242, 72252), (2676, 60534), (3078, 52628), (3186, 50844), (3363, 48168), (4014, 40356), (4104, 39471), (4237, 38232), (4248, 38133), (4484, 36126), (4779, 33896), (5352, 30267), (6021, 26904), (6156, 26314), (6372, 25422), (6726, 24084), (8028, 20178), (8474, 19116), (8968, 18063), (9558, 16948), (10089, 16056), (12042, 13452), (12312, 13157), (12711, 12744)]