81590040

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{32377}}^1$

素因数の和:32401

約数の個数: 96

約数和(自身を含む): 303058080

約数和(自身を除く): 221468040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 32377, 64754, 97131, 129508, 161885, 194262, 226639, 259016, 291393, 323770, 388524, 453278, 485655, 582786, 647540, 679917, 777048, 906556, 971310, 1133195, 1165572, 1295080, 1359834, 1456965, 1813112, 1942620, 2039751, 2266390, 2331144, 2719668, 2913930, 3399585, 3885240, 4079502, 4532780, 5439336, 5827860, 6799170, 8159004, 9065560, 10198755, 11655720, 13598340, 16318008, 20397510, 27196680, 40795020, 81590040]

約数ペア:

[(1, 81590040), (2, 40795020), (3, 27196680), (4, 20397510), (5, 16318008), (6, 13598340), (7, 11655720), (8, 10198755), (9, 9065560), (10, 8159004), (12, 6799170), (14, 5827860), (15, 5439336), (18, 4532780), (20, 4079502), (21, 3885240), (24, 3399585), (28, 2913930), (30, 2719668), (35, 2331144), (36, 2266390), (40, 2039751), (42, 1942620), (45, 1813112), (56, 1456965), (60, 1359834), (63, 1295080), (70, 1165572), (72, 1133195), (84, 971310), (90, 906556), (105, 777048), (120, 679917), (126, 647540), (140, 582786), (168, 485655), (180, 453278), (210, 388524), (252, 323770), (280, 291393), (315, 259016), (360, 226639), (420, 194262), (504, 161885), (630, 129508), (840, 97131), (1260, 64754), (2520, 32377)]