128437440

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{337}}^1\times {\mathrm{397}}^1$

素因数の和:754

約数の個数: 112

約数和(自身を含む): 410029152

約数和(自身を除く): 281591712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 337, 397, 480, 674, 794, 960, 1011, 1191, 1348, 1588, 1685, 1985, 2022, 2382, 2696, 3176, 3370, 3970, 4044, 4764, 5055, 5392, 5955, 6352, 6740, 7940, 8088, 9528, 10110, 10784, 11910, 12704, 13480, 15880, 16176, 19056, 20220, 21568, 23820, 25408, 26960, 31760, 32352, 38112, 40440, 47640, 53920, 63520, 64704, 76224, 80880, 95280, 107840, 127040, 133789, 161760, 190560, 267578, 323520, 381120, 401367, 535156, 668945, 802734, 1070312, 1337890, 1605468, 2006835, 2140624, 2675780, 3210936, 4013670, 4281248, 5351560, 6421872, 8027340, 8562496, 10703120, 12843744, 16054680, 21406240, 25687488, 32109360, 42812480, 64218720, 128437440]

約数ペア:

[(1, 128437440), (2, 64218720), (3, 42812480), (4, 32109360), (5, 25687488), (6, 21406240), (8, 16054680), (10, 12843744), (12, 10703120), (15, 8562496), (16, 8027340), (20, 6421872), (24, 5351560), (30, 4281248), (32, 4013670), (40, 3210936), (48, 2675780), (60, 2140624), (64, 2006835), (80, 1605468), (96, 1337890), (120, 1070312), (160, 802734), (192, 668945), (240, 535156), (320, 401367), (337, 381120), (397, 323520), (480, 267578), (674, 190560), (794, 161760), (960, 133789), (1011, 127040), (1191, 107840), (1348, 95280), (1588, 80880), (1685, 76224), (1985, 64704), (2022, 63520), (2382, 53920), (2696, 47640), (3176, 40440), (3370, 38112), (3970, 32352), (4044, 31760), (4764, 26960), (5055, 25408), (5392, 23820), (5955, 21568), (6352, 20220), (6740, 19056), (7940, 16176), (8088, 15880), (9528, 13480), (10110, 12704), (10784, 11910)]