81447240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2063}}^1$

素因数の和:2131

約数の個数: 128

約数和(自身を含む): 285327360

約数和(自身を除く): 203880120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 70, 84, 94, 105, 120, 140, 141, 168, 188, 210, 235, 280, 282, 329, 376, 420, 470, 564, 658, 705, 840, 940, 987, 1128, 1316, 1410, 1645, 1880, 1974, 2063, 2632, 2820, 3290, 3948, 4126, 4935, 5640, 6189, 6580, 7896, 8252, 9870, 10315, 12378, 13160, 14441, 16504, 19740, 20630, 24756, 28882, 30945, 39480, 41260, 43323, 49512, 57764, 61890, 72205, 82520, 86646, 96961, 115528, 123780, 144410, 173292, 193922, 216615, 247560, 288820, 290883, 346584, 387844, 433230, 484805, 577640, 581766, 678727, 775688, 866460, 969610, 1163532, 1357454, 1454415, 1732920, 1939220, 2036181, 2327064, 2714908, 2908830, 3393635, 3878440, 4072362, 5429816, 5817660, 6787270, 8144724, 10180905, 11635320, 13574540, 16289448, 20361810, 27149080, 40723620, 81447240]

約数ペア:

[(1, 81447240), (2, 40723620), (3, 27149080), (4, 20361810), (5, 16289448), (6, 13574540), (7, 11635320), (8, 10180905), (10, 8144724), (12, 6787270), (14, 5817660), (15, 5429816), (20, 4072362), (21, 3878440), (24, 3393635), (28, 2908830), (30, 2714908), (35, 2327064), (40, 2036181), (42, 1939220), (47, 1732920), (56, 1454415), (60, 1357454), (70, 1163532), (84, 969610), (94, 866460), (105, 775688), (120, 678727), (140, 581766), (141, 577640), (168, 484805), (188, 433230), (210, 387844), (235, 346584), (280, 290883), (282, 288820), (329, 247560), (376, 216615), (420, 193922), (470, 173292), (564, 144410), (658, 123780), (705, 115528), (840, 96961), (940, 86646), (987, 82520), (1128, 72205), (1316, 61890), (1410, 57764), (1645, 49512), (1880, 43323), (1974, 41260), (2063, 39480), (2632, 30945), (2820, 28882), (3290, 24756), (3948, 20630), (4126, 19740), (4935, 16504), (5640, 14441), (6189, 13160), (6580, 12378), (7896, 10315), (8252, 9870)]