80431920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1619}}^1$

素因数の和:1664

約数の個数: 160

約数和(自身を含む): 289267200

約数和(自身を除く): 208835280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 90, 92, 108, 115, 120, 135, 138, 144, 180, 184, 207, 216, 230, 240, 270, 276, 345, 360, 368, 414, 432, 460, 540, 552, 621, 690, 720, 828, 920, 1035, 1080, 1104, 1242, 1380, 1619, 1656, 1840, 2070, 2160, 2484, 2760, 3105, 3238, 3312, 4140, 4857, 4968, 5520, 6210, 6476, 8095, 8280, 9714, 9936, 12420, 12952, 14571, 16190, 16560, 19428, 24285, 24840, 25904, 29142, 32380, 37237, 38856, 43713, 48570, 49680, 58284, 64760, 72855, 74474, 77712, 87426, 97140, 111711, 116568, 129520, 145710, 148948, 174852, 186185, 194280, 218565, 223422, 233136, 291420, 297896, 335133, 349704, 372370, 388560, 437130, 446844, 558555, 582840, 595792, 670266, 699408, 744740, 874260, 893688, 1005399, 1117110, 1165680, 1340532, 1489480, 1675665, 1748520, 1787376, 2010798, 2234220, 2681064, 2978960, 3351330, 3497040, 4021596, 4468440, 5026995, 5362128, 6702660, 8043192, 8936880, 10053990, 13405320, 16086384, 20107980, 26810640, 40215960, 80431920]

約数ペア:

[(1, 80431920), (2, 40215960), (3, 26810640), (4, 20107980), (5, 16086384), (6, 13405320), (8, 10053990), (9, 8936880), (10, 8043192), (12, 6702660), (15, 5362128), (16, 5026995), (18, 4468440), (20, 4021596), (23, 3497040), (24, 3351330), (27, 2978960), (30, 2681064), (36, 2234220), (40, 2010798), (45, 1787376), (46, 1748520), (48, 1675665), (54, 1489480), (60, 1340532), (69, 1165680), (72, 1117110), (80, 1005399), (90, 893688), (92, 874260), (108, 744740), (115, 699408), (120, 670266), (135, 595792), (138, 582840), (144, 558555), (180, 446844), (184, 437130), (207, 388560), (216, 372370), (230, 349704), (240, 335133), (270, 297896), (276, 291420), (345, 233136), (360, 223422), (368, 218565), (414, 194280), (432, 186185), (460, 174852), (540, 148948), (552, 145710), (621, 129520), (690, 116568), (720, 111711), (828, 97140), (920, 87426), (1035, 77712), (1080, 74474), (1104, 72855), (1242, 64760), (1380, 58284), (1619, 49680), (1656, 48570), (1840, 43713), (2070, 38856), (2160, 37237), (2484, 32380), (2760, 29142), (3105, 25904), (3238, 24840), (3312, 24285), (4140, 19428), (4857, 16560), (4968, 16190), (5520, 14571), (6210, 12952), (6476, 12420), (8095, 9936), (8280, 9714)]