81987992928

素因数分解:

$2^5\times 3^2\times {\mathrm{677}}^1\times {\mathrm{420503}}^1$

素因数の和:421196

約数の個数: 72

約数和(自身を含む): 233498302128

約数和(自身を除く): 151510309200

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 677, 1354, 2031, 2708, 4062, 5416, 6093, 8124, 10832, 12186, 16248, 21664, 24372, 32496, 48744, 64992, 97488, 194976, 420503, 841006, 1261509, 1682012, 2523018, 3364024, 3784527, 5046036, 6728048, 7569054, 10092072, 13456096, 15138108, 20184144, 30276216, 40368288, 60552432, 121104864, 284680531, 569361062, 854041593, 1138722124, 1708083186, 2277444248, 2562124779, 3416166372, 4554888496, 5124249558, 6832332744, 9109776992, 10248499116, 13664665488, 20496998232, 27329330976, 40993996464, 81987992928]

約数ペア:

[(1, 81987992928), (2, 40993996464), (3, 27329330976), (4, 20496998232), (6, 13664665488), (8, 10248499116), (9, 9109776992), (12, 6832332744), (16, 5124249558), (18, 4554888496), (24, 3416166372), (32, 2562124779), (36, 2277444248), (48, 1708083186), (72, 1138722124), (96, 854041593), (144, 569361062), (288, 284680531), (677, 121104864), (1354, 60552432), (2031, 40368288), (2708, 30276216), (4062, 20184144), (5416, 15138108), (6093, 13456096), (8124, 10092072), (10832, 7569054), (12186, 6728048), (16248, 5046036), (21664, 3784527), (24372, 3364024), (32496, 2523018), (48744, 1682012), (64992, 1261509), (97488, 841006), (194976, 420503)]