390720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1$

素因数の和:68

約数の個数: 112

約数和(自身を含む): 1389888

約数和(自身を除く): 999168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 37, 40, 44, 48, 55, 60, 64, 66, 74, 80, 88, 96, 110, 111, 120, 132, 148, 160, 165, 176, 185, 192, 220, 222, 240, 264, 296, 320, 330, 352, 370, 407, 440, 444, 480, 528, 555, 592, 660, 704, 740, 814, 880, 888, 960, 1056, 1110, 1184, 1221, 1320, 1480, 1628, 1760, 1776, 2035, 2112, 2220, 2368, 2442, 2640, 2960, 3256, 3520, 3552, 4070, 4440, 4884, 5280, 5920, 6105, 6512, 7104, 8140, 8880, 9768, 10560, 11840, 12210, 13024, 16280, 17760, 19536, 24420, 26048, 32560, 35520, 39072, 48840, 65120, 78144, 97680, 130240, 195360, 390720]

約数ペア:

[(1, 390720), (2, 195360), (3, 130240), (4, 97680), (5, 78144), (6, 65120), (8, 48840), (10, 39072), (11, 35520), (12, 32560), (15, 26048), (16, 24420), (20, 19536), (22, 17760), (24, 16280), (30, 13024), (32, 12210), (33, 11840), (37, 10560), (40, 9768), (44, 8880), (48, 8140), (55, 7104), (60, 6512), (64, 6105), (66, 5920), (74, 5280), (80, 4884), (88, 4440), (96, 4070), (110, 3552), (111, 3520), (120, 3256), (132, 2960), (148, 2640), (160, 2442), (165, 2368), (176, 2220), (185, 2112), (192, 2035), (220, 1776), (222, 1760), (240, 1628), (264, 1480), (296, 1320), (320, 1221), (330, 1184), (352, 1110), (370, 1056), (407, 960), (440, 888), (444, 880), (480, 814), (528, 740), (555, 704), (592, 660)]