201620320

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{1181}}^1$

素因数の和:1304

約数の個数: 96

約数和(自身を含む): 525432096

約数和(自身を除く): 323811776

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 97, 110, 160, 176, 194, 220, 352, 388, 440, 485, 776, 880, 970, 1067, 1181, 1552, 1760, 1940, 2134, 2362, 3104, 3880, 4268, 4724, 5335, 5905, 7760, 8536, 9448, 10670, 11810, 12991, 15520, 17072, 18896, 21340, 23620, 25982, 34144, 37792, 42680, 47240, 51964, 64955, 85360, 94480, 103928, 114557, 129910, 170720, 188960, 207856, 229114, 259820, 415712, 458228, 519640, 572785, 916456, 1039280, 1145570, 1260127, 1832912, 2078560, 2291140, 2520254, 3665824, 4582280, 5040508, 6300635, 9164560, 10081016, 12601270, 18329120, 20162032, 25202540, 40324064, 50405080, 100810160, 201620320]

約数ペア:

[(1, 201620320), (2, 100810160), (4, 50405080), (5, 40324064), (8, 25202540), (10, 20162032), (11, 18329120), (16, 12601270), (20, 10081016), (22, 9164560), (32, 6300635), (40, 5040508), (44, 4582280), (55, 3665824), (80, 2520254), (88, 2291140), (97, 2078560), (110, 1832912), (160, 1260127), (176, 1145570), (194, 1039280), (220, 916456), (352, 572785), (388, 519640), (440, 458228), (485, 415712), (776, 259820), (880, 229114), (970, 207856), (1067, 188960), (1181, 170720), (1552, 129910), (1760, 114557), (1940, 103928), (2134, 94480), (2362, 85360), (3104, 64955), (3880, 51964), (4268, 47240), (4724, 42680), (5335, 37792), (5905, 34144), (7760, 25982), (8536, 23620), (9448, 21340), (10670, 18896), (11810, 17072), (12991, 15520)]