321390515456

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{1063}}^1\times {\mathrm{51349}}^1$

素因数の和:52451

約数の個数: 72

約数和(自身を含む): 670060809600

約数和(自身を除く): 348670294144

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 736, 1063, 1472, 2126, 2944, 4252, 5888, 8504, 17008, 24449, 34016, 48898, 51349, 68032, 97796, 102698, 136064, 195592, 205396, 272128, 391184, 410792, 782368, 821584, 1181027, 1564736, 1643168, 2362054, 3129472, 3286336, 4724108, 6258944, 6572672, 9448216, 13145344, 18896432, 37792864, 54583987, 75585728, 109167974, 151171456, 218335948, 302342912, 436671896, 873343792, 1255431701, 1746687584, 2510863402, 3493375168, 5021726804, 6986750336, 10043453608, 13973500672, 20086907216, 40173814432, 80347628864, 160695257728, 321390515456]

約数ペア:

[(1, 321390515456), (2, 160695257728), (4, 80347628864), (8, 40173814432), (16, 20086907216), (23, 13973500672), (32, 10043453608), (46, 6986750336), (64, 5021726804), (92, 3493375168), (128, 2510863402), (184, 1746687584), (256, 1255431701), (368, 873343792), (736, 436671896), (1063, 302342912), (1472, 218335948), (2126, 151171456), (2944, 109167974), (4252, 75585728), (5888, 54583987), (8504, 37792864), (17008, 18896432), (24449, 13145344), (34016, 9448216), (48898, 6572672), (51349, 6258944), (68032, 4724108), (97796, 3286336), (102698, 3129472), (136064, 2362054), (195592, 1643168), (205396, 1564736), (272128, 1181027), (391184, 821584), (410792, 782368)]