31379760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1063}}^1$

素因数の和:1123

約数の個数: 120

約数和(自身を含む): 108055584

約数和(自身を除く): 76675824

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 41, 45, 48, 60, 72, 80, 82, 90, 120, 123, 144, 164, 180, 205, 240, 246, 328, 360, 369, 410, 492, 615, 656, 720, 738, 820, 984, 1063, 1230, 1476, 1640, 1845, 1968, 2126, 2460, 2952, 3189, 3280, 3690, 4252, 4920, 5315, 5904, 6378, 7380, 8504, 9567, 9840, 10630, 12756, 14760, 15945, 17008, 19134, 21260, 25512, 29520, 31890, 38268, 42520, 43583, 47835, 51024, 63780, 76536, 85040, 87166, 95670, 127560, 130749, 153072, 174332, 191340, 217915, 255120, 261498, 348664, 382680, 392247, 435830, 522996, 653745, 697328, 765360, 784494, 871660, 1045992, 1307490, 1568988, 1743320, 1961235, 2091984, 2614980, 3137976, 3486640, 3922470, 5229960, 6275952, 7844940, 10459920, 15689880, 31379760]

約数ペア:

[(1, 31379760), (2, 15689880), (3, 10459920), (4, 7844940), (5, 6275952), (6, 5229960), (8, 3922470), (9, 3486640), (10, 3137976), (12, 2614980), (15, 2091984), (16, 1961235), (18, 1743320), (20, 1568988), (24, 1307490), (30, 1045992), (36, 871660), (40, 784494), (41, 765360), (45, 697328), (48, 653745), (60, 522996), (72, 435830), (80, 392247), (82, 382680), (90, 348664), (120, 261498), (123, 255120), (144, 217915), (164, 191340), (180, 174332), (205, 153072), (240, 130749), (246, 127560), (328, 95670), (360, 87166), (369, 85040), (410, 76536), (492, 63780), (615, 51024), (656, 47835), (720, 43583), (738, 42520), (820, 38268), (984, 31890), (1063, 29520), (1230, 25512), (1476, 21260), (1640, 19134), (1845, 17008), (1968, 15945), (2126, 14760), (2460, 12756), (2952, 10630), (3189, 9840), (3280, 9567), (3690, 8504), (4252, 7380), (4920, 6378), (5315, 5904)]