28761120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19973}}^1$

素因数の和:19994

約数の個数: 72

約数和(自身を含む): 98152236

約数和(自身を除く): 69391116

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, 19973, 39946, 59919, 79892, 99865, 119838, 159784, 179757, 199730, 239676, 299595, 319568, 359514, 399460, 479352, 599190, 639136, 719028, 798920, 898785, 958704, 1198380, 1438056, 1597840, 1797570, 1917408, 2396760, 2876112, 3195680, 3595140, 4793520, 5752224, 7190280, 9587040, 14380560, 28761120]

約数ペア:

[(1, 28761120), (2, 14380560), (3, 9587040), (4, 7190280), (5, 5752224), (6, 4793520), (8, 3595140), (9, 3195680), (10, 2876112), (12, 2396760), (15, 1917408), (16, 1797570), (18, 1597840), (20, 1438056), (24, 1198380), (30, 958704), (32, 898785), (36, 798920), (40, 719028), (45, 639136), (48, 599190), (60, 479352), (72, 399460), (80, 359514), (90, 319568), (96, 299595), (120, 239676), (144, 199730), (160, 179757), (180, 159784), (240, 119838), (288, 99865), (360, 79892), (480, 59919), (720, 39946), (1440, 19973)]