18954720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13163}}^1$

素因数の和:13184

約数の個数: 72

約数和(自身を含む): 64687896

約数和(自身を除く): 45733176

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 13163, 26326, 39489, 52652, 65815, 78978, 105304, 118467, 131630, 157956, 197445, 210608, 236934, 263260, 315912, 394890, 421216, 473868, 526520, 592335, 631824, 789780, 947736, 1053040, 1184670, 1263648, 1579560, 1895472, 2106080, 2369340, 3159120, 3790944, 4738680, 6318240, 9477360, 18954720]

約数ペア:

[(1, 18954720), (2, 9477360), (3, 6318240), (4, 4738680), (5, 3790944), (6, 3159120), (8, 2369340), (9, 2106080), (10, 1895472), (12, 1579560), (15, 1263648), (16, 1184670), (18, 1053040), (20, 947736), (24, 789780), (30, 631824), (32, 592335), (36, 526520), (40, 473868), (45, 421216), (48, 394890), (60, 315912), (72, 263260), (80, 236934), (90, 210608), (96, 197445), (120, 157956), (144, 131630), (160, 118467), (180, 105304), (240, 78978), (288, 65815), (360, 52652), (480, 39489), (720, 26326), (1440, 13163)]