81975408

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{619}}^1$

素因数の和:750

約数の個数: 80

約数和(自身を含む): 221414400

約数和(自身を除く): 139438992

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 89, 93, 124, 178, 186, 248, 267, 356, 372, 496, 534, 619, 712, 744, 1068, 1238, 1424, 1488, 1857, 2136, 2476, 2759, 3714, 4272, 4952, 5518, 7428, 8277, 9904, 11036, 14856, 16554, 19189, 22072, 29712, 33108, 38378, 44144, 55091, 57567, 66216, 76756, 110182, 115134, 132432, 153512, 165273, 220364, 230268, 307024, 330546, 440728, 460536, 661092, 881456, 921072, 1322184, 1707821, 2644368, 3415642, 5123463, 6831284, 10246926, 13662568, 20493852, 27325136, 40987704, 81975408]

約数ペア:

[(1, 81975408), (2, 40987704), (3, 27325136), (4, 20493852), (6, 13662568), (8, 10246926), (12, 6831284), (16, 5123463), (24, 3415642), (31, 2644368), (48, 1707821), (62, 1322184), (89, 921072), (93, 881456), (124, 661092), (178, 460536), (186, 440728), (248, 330546), (267, 307024), (356, 230268), (372, 220364), (496, 165273), (534, 153512), (619, 132432), (712, 115134), (744, 110182), (1068, 76756), (1238, 66216), (1424, 57567), (1488, 55091), (1857, 44144), (2136, 38378), (2476, 33108), (2759, 29712), (3714, 22072), (4272, 19189), (4952, 16554), (5518, 14856), (7428, 11036), (8277, 9904)]