66891420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:441

約数の個数: 120

約数和(自身を含む): 211980384

約数和(自身を除く): 145088964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 157, 162, 180, 263, 270, 314, 324, 405, 471, 526, 540, 628, 785, 789, 810, 942, 1052, 1315, 1413, 1570, 1578, 1620, 1884, 2355, 2367, 2630, 2826, 3140, 3156, 3945, 4239, 4710, 4734, 5260, 5652, 7065, 7101, 7890, 8478, 9420, 9468, 11835, 12717, 14130, 14202, 15780, 16956, 21195, 21303, 23670, 25434, 28260, 28404, 35505, 41291, 42390, 42606, 47340, 50868, 63585, 71010, 82582, 84780, 85212, 106515, 123873, 127170, 142020, 165164, 206455, 213030, 247746, 254340, 371619, 412910, 426060, 495492, 619365, 743238, 825820, 1114857, 1238730, 1486476, 1858095, 2229714, 2477460, 3344571, 3716190, 4459428, 5574285, 6689142, 7432380, 11148570, 13378284, 16722855, 22297140, 33445710, 66891420]

約数ペア:

[(1, 66891420), (2, 33445710), (3, 22297140), (4, 16722855), (5, 13378284), (6, 11148570), (9, 7432380), (10, 6689142), (12, 5574285), (15, 4459428), (18, 3716190), (20, 3344571), (27, 2477460), (30, 2229714), (36, 1858095), (45, 1486476), (54, 1238730), (60, 1114857), (81, 825820), (90, 743238), (108, 619365), (135, 495492), (157, 426060), (162, 412910), (180, 371619), (263, 254340), (270, 247746), (314, 213030), (324, 206455), (405, 165164), (471, 142020), (526, 127170), (540, 123873), (628, 106515), (785, 85212), (789, 84780), (810, 82582), (942, 71010), (1052, 63585), (1315, 50868), (1413, 47340), (1570, 42606), (1578, 42390), (1620, 41291), (1884, 35505), (2355, 28404), (2367, 28260), (2630, 25434), (2826, 23670), (3140, 21303), (3156, 21195), (3945, 16956), (4239, 15780), (4710, 14202), (4734, 14130), (5260, 12717), (5652, 11835), (7065, 9468), (7101, 9420), (7890, 8478)]