81896730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{823}}^1$

素因数の和:971

約数の個数: 64

約数和(自身を含む): 205037568

約数和(自身を除く): 123140838

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 107, 155, 186, 214, 310, 321, 465, 535, 642, 823, 930, 1070, 1605, 1646, 2469, 3210, 3317, 4115, 4938, 6634, 8230, 9951, 12345, 16585, 19902, 24690, 25513, 33170, 49755, 51026, 76539, 88061, 99510, 127565, 153078, 176122, 255130, 264183, 382695, 440305, 528366, 765390, 880610, 1320915, 2641830, 2729891, 5459782, 8189673, 13649455, 16379346, 27298910, 40948365, 81896730]

約数ペア:

[(1, 81896730), (2, 40948365), (3, 27298910), (5, 16379346), (6, 13649455), (10, 8189673), (15, 5459782), (30, 2729891), (31, 2641830), (62, 1320915), (93, 880610), (107, 765390), (155, 528366), (186, 440305), (214, 382695), (310, 264183), (321, 255130), (465, 176122), (535, 153078), (642, 127565), (823, 99510), (930, 88061), (1070, 76539), (1605, 51026), (1646, 49755), (2469, 33170), (3210, 25513), (3317, 24690), (4115, 19902), (4938, 16585), (6634, 12345), (8230, 9951)]