81246900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{5527}}^1$

素因数の和:5558

約数の個数: 108

約数和(自身を含む): 273503328

約数和(自身を除く): 192256428

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 49, 50, 60, 70, 75, 84, 98, 100, 105, 140, 147, 150, 175, 196, 210, 245, 294, 300, 350, 420, 490, 525, 588, 700, 735, 980, 1050, 1225, 1470, 2100, 2450, 2940, 3675, 4900, 5527, 7350, 11054, 14700, 16581, 22108, 27635, 33162, 38689, 55270, 66324, 77378, 82905, 110540, 116067, 138175, 154756, 165810, 193445, 232134, 270823, 276350, 331620, 386890, 414525, 464268, 541646, 552700, 580335, 773780, 812469, 829050, 967225, 1083292, 1160670, 1354115, 1624938, 1658100, 1934450, 2321340, 2708230, 2901675, 3249876, 3868900, 4062345, 5416460, 5803350, 6770575, 8124690, 11606700, 13541150, 16249380, 20311725, 27082300, 40623450, 81246900]

約数ペア:

[(1, 81246900), (2, 40623450), (3, 27082300), (4, 20311725), (5, 16249380), (6, 13541150), (7, 11606700), (10, 8124690), (12, 6770575), (14, 5803350), (15, 5416460), (20, 4062345), (21, 3868900), (25, 3249876), (28, 2901675), (30, 2708230), (35, 2321340), (42, 1934450), (49, 1658100), (50, 1624938), (60, 1354115), (70, 1160670), (75, 1083292), (84, 967225), (98, 829050), (100, 812469), (105, 773780), (140, 580335), (147, 552700), (150, 541646), (175, 464268), (196, 414525), (210, 386890), (245, 331620), (294, 276350), (300, 270823), (350, 232134), (420, 193445), (490, 165810), (525, 154756), (588, 138175), (700, 116067), (735, 110540), (980, 82905), (1050, 77378), (1225, 66324), (1470, 55270), (2100, 38689), (2450, 33162), (2940, 27635), (3675, 22108), (4900, 16581), (5527, 14700), (7350, 11054)]