1989078960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{753439}}^1$

素因数の和:753466

約数の個数: 80

約数和(自身を含む): 6726712320

約数和(自身を除く): 4737633360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 753439, 1506878, 2260317, 3013756, 3767195, 4520634, 6027512, 7534390, 8287829, 9041268, 11301585, 12055024, 15068780, 16575658, 18082536, 22603170, 24863487, 30137560, 33151316, 36165072, 41439145, 45206340, 49726974, 60275120, 66302632, 82878290, 90412680, 99453948, 124317435, 132605264, 165756580, 180825360, 198907896, 248634870, 331513160, 397815792, 497269740, 663026320, 994539480, 1989078960]

約数ペア:

[(1, 1989078960), (2, 994539480), (3, 663026320), (4, 497269740), (5, 397815792), (6, 331513160), (8, 248634870), (10, 198907896), (11, 180825360), (12, 165756580), (15, 132605264), (16, 124317435), (20, 99453948), (22, 90412680), (24, 82878290), (30, 66302632), (33, 60275120), (40, 49726974), (44, 45206340), (48, 41439145), (55, 36165072), (60, 33151316), (66, 30137560), (80, 24863487), (88, 22603170), (110, 18082536), (120, 16575658), (132, 15068780), (165, 12055024), (176, 11301585), (220, 9041268), (240, 8287829), (264, 7534390), (330, 6027512), (440, 4520634), (528, 3767195), (660, 3013756), (880, 2260317), (1320, 1506878), (2640, 753439)]