821723472

素因数分解:

$2^4\times 3^2\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{661}}^1$

素因数の和:861

約数の個数: 120

約数和(自身を含む): 2353052520

約数和(自身を除く): 1531329048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 89, 97, 144, 178, 194, 267, 291, 356, 388, 534, 582, 661, 712, 776, 801, 873, 1068, 1164, 1322, 1424, 1552, 1602, 1746, 1983, 2136, 2328, 2644, 3204, 3492, 3966, 4272, 4656, 5288, 5949, 6408, 6984, 7932, 8633, 10576, 11898, 12816, 13968, 15864, 17266, 23796, 25899, 31728, 34532, 47592, 51798, 58829, 64117, 69064, 77697, 95184, 103596, 117658, 128234, 138128, 155394, 176487, 192351, 207192, 235316, 256468, 310788, 352974, 384702, 414384, 470632, 512936, 529461, 577053, 621576, 705948, 769404, 941264, 1025872, 1058922, 1154106, 1243152, 1411896, 1538808, 2117844, 2308212, 2823792, 3077616, 4235688, 4616424, 5706413, 8471376, 9232848, 11412826, 17119239, 22825652, 34238478, 45651304, 51357717, 68476956, 91302608, 102715434, 136953912, 205430868, 273907824, 410861736, 821723472]

約数ペア:

[(1, 821723472), (2, 410861736), (3, 273907824), (4, 205430868), (6, 136953912), (8, 102715434), (9, 91302608), (12, 68476956), (16, 51357717), (18, 45651304), (24, 34238478), (36, 22825652), (48, 17119239), (72, 11412826), (89, 9232848), (97, 8471376), (144, 5706413), (178, 4616424), (194, 4235688), (267, 3077616), (291, 2823792), (356, 2308212), (388, 2117844), (534, 1538808), (582, 1411896), (661, 1243152), (712, 1154106), (776, 1058922), (801, 1025872), (873, 941264), (1068, 769404), (1164, 705948), (1322, 621576), (1424, 577053), (1552, 529461), (1602, 512936), (1746, 470632), (1983, 414384), (2136, 384702), (2328, 352974), (2644, 310788), (3204, 256468), (3492, 235316), (3966, 207192), (4272, 192351), (4656, 176487), (5288, 155394), (5949, 138128), (6408, 128234), (6984, 117658), (7932, 103596), (8633, 95184), (10576, 77697), (11898, 69064), (12816, 64117), (13968, 58829), (15864, 51798), (17266, 47592), (23796, 34532), (25899, 31728)]