18951120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{26321}}^1$

素因数の和:26340

約数の個数: 60

約数和(自身を含む): 63646596

約数和(自身を除く): 44695476

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 26321, 52642, 78963, 105284, 131605, 157926, 210568, 236889, 263210, 315852, 394815, 421136, 473778, 526420, 631704, 789630, 947556, 1052840, 1184445, 1263408, 1579260, 1895112, 2105680, 2368890, 3158520, 3790224, 4737780, 6317040, 9475560, 18951120]

約数ペア:

[(1, 18951120), (2, 9475560), (3, 6317040), (4, 4737780), (5, 3790224), (6, 3158520), (8, 2368890), (9, 2105680), (10, 1895112), (12, 1579260), (15, 1263408), (16, 1184445), (18, 1052840), (20, 947556), (24, 789630), (30, 631704), (36, 526420), (40, 473778), (45, 421136), (48, 394815), (60, 315852), (72, 263210), (80, 236889), (90, 210568), (120, 157926), (144, 131605), (180, 105284), (240, 78963), (360, 52642), (720, 26321)]