128910240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{89521}}^1$

素因数の和:89542

約数の個数: 72

約数和(自身を含む): 439911108

約数和(自身を除く): 311000868

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, 89521, 179042, 268563, 358084, 447605, 537126, 716168, 805689, 895210, 1074252, 1342815, 1432336, 1611378, 1790420, 2148504, 2685630, 2864672, 3222756, 3580840, 4028445, 4297008, 5371260, 6445512, 7161680, 8056890, 8594016, 10742520, 12891024, 14323360, 16113780, 21485040, 25782048, 32227560, 42970080, 64455120, 128910240]

約数ペア:

[(1, 128910240), (2, 64455120), (3, 42970080), (4, 32227560), (5, 25782048), (6, 21485040), (8, 16113780), (9, 14323360), (10, 12891024), (12, 10742520), (15, 8594016), (16, 8056890), (18, 7161680), (20, 6445512), (24, 5371260), (30, 4297008), (32, 4028445), (36, 3580840), (40, 3222756), (45, 2864672), (48, 2685630), (60, 2148504), (72, 1790420), (80, 1611378), (90, 1432336), (96, 1342815), (120, 1074252), (144, 895210), (160, 805689), (180, 716168), (240, 537126), (288, 447605), (360, 358084), (480, 268563), (720, 179042), (1440, 89521)]