18625920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:220

約数の個数: 128

約数和(自身を含む): 60588000

約数和(自身を除く): 41962080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 89, 96, 109, 120, 128, 160, 178, 192, 218, 240, 267, 320, 327, 356, 384, 436, 445, 480, 534, 545, 640, 654, 712, 872, 890, 960, 1068, 1090, 1308, 1335, 1424, 1635, 1744, 1780, 1920, 2136, 2180, 2616, 2670, 2848, 3270, 3488, 3560, 4272, 4360, 5232, 5340, 5696, 6540, 6976, 7120, 8544, 8720, 9701, 10464, 10680, 11392, 13080, 13952, 14240, 17088, 17440, 19402, 20928, 21360, 26160, 28480, 29103, 34176, 34880, 38804, 41856, 42720, 48505, 52320, 56960, 58206, 69760, 77608, 85440, 97010, 104640, 116412, 145515, 155216, 170880, 194020, 209280, 232824, 291030, 310432, 388040, 465648, 582060, 620864, 776080, 931296, 1164120, 1241728, 1552160, 1862592, 2328240, 3104320, 3725184, 4656480, 6208640, 9312960, 18625920]

約数ペア:

[(1, 18625920), (2, 9312960), (3, 6208640), (4, 4656480), (5, 3725184), (6, 3104320), (8, 2328240), (10, 1862592), (12, 1552160), (15, 1241728), (16, 1164120), (20, 931296), (24, 776080), (30, 620864), (32, 582060), (40, 465648), (48, 388040), (60, 310432), (64, 291030), (80, 232824), (89, 209280), (96, 194020), (109, 170880), (120, 155216), (128, 145515), (160, 116412), (178, 104640), (192, 97010), (218, 85440), (240, 77608), (267, 69760), (320, 58206), (327, 56960), (356, 52320), (384, 48505), (436, 42720), (445, 41856), (480, 38804), (534, 34880), (545, 34176), (640, 29103), (654, 28480), (712, 26160), (872, 21360), (890, 20928), (960, 19402), (1068, 17440), (1090, 17088), (1308, 14240), (1335, 13952), (1424, 13080), (1635, 11392), (1744, 10680), (1780, 10464), (1920, 9701), (2136, 8720), (2180, 8544), (2616, 7120), (2670, 6976), (2848, 6540), (3270, 5696), (3488, 5340), (3560, 5232), (4272, 4360)]