18780480

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{6521}}^1$

素因数の和:6544

約数の個数: 84

約数和(自身を含む): 64606932

約数和(自身を除く): 45826452

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, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 6521, 13042, 19563, 26084, 32605, 39126, 52168, 58689, 65210, 78252, 97815, 104336, 117378, 130420, 156504, 195630, 208672, 234756, 260840, 293445, 313008, 391260, 417344, 469512, 521680, 586890, 626016, 782520, 939024, 1043360, 1173780, 1252032, 1565040, 1878048, 2086720, 2347560, 3130080, 3756096, 4695120, 6260160, 9390240, 18780480]

約数ペア:

[(1, 18780480), (2, 9390240), (3, 6260160), (4, 4695120), (5, 3756096), (6, 3130080), (8, 2347560), (9, 2086720), (10, 1878048), (12, 1565040), (15, 1252032), (16, 1173780), (18, 1043360), (20, 939024), (24, 782520), (30, 626016), (32, 586890), (36, 521680), (40, 469512), (45, 417344), (48, 391260), (60, 313008), (64, 293445), (72, 260840), (80, 234756), (90, 208672), (96, 195630), (120, 156504), (144, 130420), (160, 117378), (180, 104336), (192, 97815), (240, 78252), (288, 65210), (320, 58689), (360, 52168), (480, 39126), (576, 32605), (720, 26084), (960, 19563), (1440, 13042), (2880, 6521)]