18272640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:360

約数の個数: 128

約数和(自身を含む): 60318720

約数和(自身を除く): 42046080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 307, 310, 320, 372, 384, 465, 480, 496, 614, 620, 640, 744, 921, 930, 960, 992, 1228, 1240, 1488, 1535, 1842, 1860, 1920, 1984, 2456, 2480, 2976, 3070, 3684, 3720, 3968, 4605, 4912, 4960, 5952, 6140, 7368, 7440, 9210, 9517, 9824, 9920, 11904, 12280, 14736, 14880, 18420, 19034, 19648, 19840, 24560, 28551, 29472, 29760, 36840, 38068, 39296, 47585, 49120, 57102, 58944, 59520, 73680, 76136, 95170, 98240, 114204, 117888, 142755, 147360, 152272, 190340, 196480, 228408, 285510, 294720, 304544, 380680, 456816, 571020, 589440, 609088, 761360, 913632, 1142040, 1218176, 1522720, 1827264, 2284080, 3045440, 3654528, 4568160, 6090880, 9136320, 18272640]

約数ペア:

[(1, 18272640), (2, 9136320), (3, 6090880), (4, 4568160), (5, 3654528), (6, 3045440), (8, 2284080), (10, 1827264), (12, 1522720), (15, 1218176), (16, 1142040), (20, 913632), (24, 761360), (30, 609088), (31, 589440), (32, 571020), (40, 456816), (48, 380680), (60, 304544), (62, 294720), (64, 285510), (80, 228408), (93, 196480), (96, 190340), (120, 152272), (124, 147360), (128, 142755), (155, 117888), (160, 114204), (186, 98240), (192, 95170), (240, 76136), (248, 73680), (307, 59520), (310, 58944), (320, 57102), (372, 49120), (384, 47585), (465, 39296), (480, 38068), (496, 36840), (614, 29760), (620, 29472), (640, 28551), (744, 24560), (921, 19840), (930, 19648), (960, 19034), (992, 18420), (1228, 14880), (1240, 14736), (1488, 12280), (1535, 11904), (1842, 9920), (1860, 9824), (1920, 9517), (1984, 9210), (2456, 7440), (2480, 7368), (2976, 6140), (3070, 5952), (3684, 4960), (3720, 4912), (3968, 4605)]