81578664

素因数分解:

$2^3\times 3^4\times {\mathrm{67}}^1\times {\mathrm{1879}}^1$

素因数の和:1964

約数の個数: 80

約数和(自身を含む): 232029600

約数和(自身を除く): 150450936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 67, 72, 81, 108, 134, 162, 201, 216, 268, 324, 402, 536, 603, 648, 804, 1206, 1608, 1809, 1879, 2412, 3618, 3758, 4824, 5427, 5637, 7236, 7516, 10854, 11274, 14472, 15032, 16911, 21708, 22548, 33822, 43416, 45096, 50733, 67644, 101466, 125893, 135288, 152199, 202932, 251786, 304398, 377679, 405864, 503572, 608796, 755358, 1007144, 1133037, 1217592, 1510716, 2266074, 3021432, 3399111, 4532148, 6798222, 9064296, 10197333, 13596444, 20394666, 27192888, 40789332, 81578664]

約数ペア:

[(1, 81578664), (2, 40789332), (3, 27192888), (4, 20394666), (6, 13596444), (8, 10197333), (9, 9064296), (12, 6798222), (18, 4532148), (24, 3399111), (27, 3021432), (36, 2266074), (54, 1510716), (67, 1217592), (72, 1133037), (81, 1007144), (108, 755358), (134, 608796), (162, 503572), (201, 405864), (216, 377679), (268, 304398), (324, 251786), (402, 202932), (536, 152199), (603, 135288), (648, 125893), (804, 101466), (1206, 67644), (1608, 50733), (1809, 45096), (1879, 43416), (2412, 33822), (3618, 22548), (3758, 21708), (4824, 16911), (5427, 15032), (5637, 14472), (7236, 11274), (7516, 10854)]