18861600

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:323

約数の個数: 144

約数和(自身を含む): 63745920

約数和(自身を除く): 44884320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 29, 30, 32, 40, 48, 50, 58, 60, 75, 80, 87, 96, 100, 116, 120, 145, 150, 160, 174, 200, 232, 240, 271, 290, 300, 348, 400, 435, 464, 480, 542, 580, 600, 696, 725, 800, 813, 870, 928, 1084, 1160, 1200, 1355, 1392, 1450, 1626, 1740, 2168, 2175, 2320, 2400, 2710, 2784, 2900, 3252, 3480, 4065, 4336, 4350, 4640, 5420, 5800, 6504, 6775, 6960, 7859, 8130, 8672, 8700, 10840, 11600, 13008, 13550, 13920, 15718, 16260, 17400, 20325, 21680, 23200, 23577, 26016, 27100, 31436, 32520, 34800, 39295, 40650, 43360, 47154, 54200, 62872, 65040, 69600, 78590, 81300, 94308, 108400, 117885, 125744, 130080, 157180, 162600, 188616, 196475, 216800, 235770, 251488, 314360, 325200, 377232, 392950, 471540, 589425, 628720, 650400, 754464, 785900, 943080, 1178850, 1257440, 1571800, 1886160, 2357700, 3143600, 3772320, 4715400, 6287200, 9430800, 18861600]

約数ペア:

[(1, 18861600), (2, 9430800), (3, 6287200), (4, 4715400), (5, 3772320), (6, 3143600), (8, 2357700), (10, 1886160), (12, 1571800), (15, 1257440), (16, 1178850), (20, 943080), (24, 785900), (25, 754464), (29, 650400), (30, 628720), (32, 589425), (40, 471540), (48, 392950), (50, 377232), (58, 325200), (60, 314360), (75, 251488), (80, 235770), (87, 216800), (96, 196475), (100, 188616), (116, 162600), (120, 157180), (145, 130080), (150, 125744), (160, 117885), (174, 108400), (200, 94308), (232, 81300), (240, 78590), (271, 69600), (290, 65040), (300, 62872), (348, 54200), (400, 47154), (435, 43360), (464, 40650), (480, 39295), (542, 34800), (580, 32520), (600, 31436), (696, 27100), (725, 26016), (800, 23577), (813, 23200), (870, 21680), (928, 20325), (1084, 17400), (1160, 16260), (1200, 15718), (1355, 13920), (1392, 13550), (1450, 13008), (1626, 11600), (1740, 10840), (2168, 8700), (2175, 8672), (2320, 8130), (2400, 7859), (2710, 6960), (2784, 6775), (2900, 6504), (3252, 5800), (3480, 5420), (4065, 4640), (4336, 4350)]