18445440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{739}}^1$

素因数の和:774

約数の個数: 128

約数和(自身を含む): 63403200

約数和(自身を除く): 44957760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 739, 780, 832, 960, 1040, 1248, 1478, 1560, 1664, 1920, 2080, 2217, 2496, 2956, 3120, 3695, 4160, 4434, 4992, 5912, 6240, 7390, 8320, 8868, 9607, 11085, 11824, 12480, 14780, 17736, 19214, 22170, 23648, 24960, 28821, 29560, 35472, 38428, 44340, 47296, 48035, 57642, 59120, 70944, 76856, 88680, 94592, 96070, 115284, 118240, 141888, 144105, 153712, 177360, 192140, 230568, 236480, 283776, 288210, 307424, 354720, 384280, 461136, 472960, 576420, 614848, 709440, 768560, 922272, 1152840, 1229696, 1418880, 1537120, 1844544, 2305680, 3074240, 3689088, 4611360, 6148480, 9222720, 18445440]

約数ペア:

[(1, 18445440), (2, 9222720), (3, 6148480), (4, 4611360), (5, 3689088), (6, 3074240), (8, 2305680), (10, 1844544), (12, 1537120), (13, 1418880), (15, 1229696), (16, 1152840), (20, 922272), (24, 768560), (26, 709440), (30, 614848), (32, 576420), (39, 472960), (40, 461136), (48, 384280), (52, 354720), (60, 307424), (64, 288210), (65, 283776), (78, 236480), (80, 230568), (96, 192140), (104, 177360), (120, 153712), (128, 144105), (130, 141888), (156, 118240), (160, 115284), (192, 96070), (195, 94592), (208, 88680), (240, 76856), (260, 70944), (312, 59120), (320, 57642), (384, 48035), (390, 47296), (416, 44340), (480, 38428), (520, 35472), (624, 29560), (640, 28821), (739, 24960), (780, 23648), (832, 22170), (960, 19214), (1040, 17736), (1248, 14780), (1478, 12480), (1560, 11824), (1664, 11085), (1920, 9607), (2080, 8868), (2217, 8320), (2496, 7390), (2956, 6240), (3120, 5912), (3695, 4992), (4160, 4434)]