18188800

素因数分解:

$2^9\times 5^2\times 7^2\times {\mathrm{29}}^1$

素因数の和:71

約数の個数: 180

約数和(自身を含む): 54229230

約数和(自身を除く): 36040430

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 29, 32, 35, 40, 49, 50, 56, 58, 64, 70, 80, 98, 100, 112, 116, 128, 140, 145, 160, 175, 196, 200, 203, 224, 232, 245, 256, 280, 290, 320, 350, 392, 400, 406, 448, 464, 490, 512, 560, 580, 640, 700, 725, 784, 800, 812, 896, 928, 980, 1015, 1120, 1160, 1225, 1280, 1400, 1421, 1450, 1568, 1600, 1624, 1792, 1856, 1960, 2030, 2240, 2320, 2450, 2560, 2800, 2842, 2900, 3136, 3200, 3248, 3584, 3712, 3920, 4060, 4480, 4640, 4900, 5075, 5600, 5684, 5800, 6272, 6400, 6496, 7105, 7424, 7840, 8120, 8960, 9280, 9800, 10150, 11200, 11368, 11600, 12544, 12800, 12992, 14210, 14848, 15680, 16240, 17920, 18560, 19600, 20300, 22400, 22736, 23200, 25088, 25984, 28420, 31360, 32480, 35525, 37120, 39200, 40600, 44800, 45472, 46400, 51968, 56840, 62720, 64960, 71050, 74240, 78400, 81200, 89600, 90944, 92800, 103936, 113680, 125440, 129920, 142100, 156800, 162400, 181888, 185600, 227360, 259840, 284200, 313600, 324800, 363776, 371200, 454720, 519680, 568400, 627200, 649600, 727552, 909440, 1136800, 1299200, 1818880, 2273600, 2598400, 3637760, 4547200, 9094400, 18188800]

約数ペア:

[(1, 18188800), (2, 9094400), (4, 4547200), (5, 3637760), (7, 2598400), (8, 2273600), (10, 1818880), (14, 1299200), (16, 1136800), (20, 909440), (25, 727552), (28, 649600), (29, 627200), (32, 568400), (35, 519680), (40, 454720), (49, 371200), (50, 363776), (56, 324800), (58, 313600), (64, 284200), (70, 259840), (80, 227360), (98, 185600), (100, 181888), (112, 162400), (116, 156800), (128, 142100), (140, 129920), (145, 125440), (160, 113680), (175, 103936), (196, 92800), (200, 90944), (203, 89600), (224, 81200), (232, 78400), (245, 74240), (256, 71050), (280, 64960), (290, 62720), (320, 56840), (350, 51968), (392, 46400), (400, 45472), (406, 44800), (448, 40600), (464, 39200), (490, 37120), (512, 35525), (560, 32480), (580, 31360), (640, 28420), (700, 25984), (725, 25088), (784, 23200), (800, 22736), (812, 22400), (896, 20300), (928, 19600), (980, 18560), (1015, 17920), (1120, 16240), (1160, 15680), (1225, 14848), (1280, 14210), (1400, 12992), (1421, 12800), (1450, 12544), (1568, 11600), (1600, 11368), (1624, 11200), (1792, 10150), (1856, 9800), (1960, 9280), (2030, 8960), (2240, 8120), (2320, 7840), (2450, 7424), (2560, 7105), (2800, 6496), (2842, 6400), (2900, 6272), (3136, 5800), (3200, 5684), (3248, 5600), (3584, 5075), (3712, 4900), (3920, 4640), (4060, 4480)]