28905360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10949}}^1$

素因数の和:10976

約数の個数: 80

約数和(自身を含む): 97761600

約数和(自身を除く): 68856240

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, 10949, 21898, 32847, 43796, 54745, 65694, 87592, 109490, 120439, 131388, 164235, 175184, 218980, 240878, 262776, 328470, 361317, 437960, 481756, 525552, 602195, 656940, 722634, 875920, 963512, 1204390, 1313880, 1445268, 1806585, 1927024, 2408780, 2627760, 2890536, 3613170, 4817560, 5781072, 7226340, 9635120, 14452680, 28905360]

約数ペア:

[(1, 28905360), (2, 14452680), (3, 9635120), (4, 7226340), (5, 5781072), (6, 4817560), (8, 3613170), (10, 2890536), (11, 2627760), (12, 2408780), (15, 1927024), (16, 1806585), (20, 1445268), (22, 1313880), (24, 1204390), (30, 963512), (33, 875920), (40, 722634), (44, 656940), (48, 602195), (55, 525552), (60, 481756), (66, 437960), (80, 361317), (88, 328470), (110, 262776), (120, 240878), (132, 218980), (165, 175184), (176, 164235), (220, 131388), (240, 120439), (264, 109490), (330, 87592), (440, 65694), (528, 54745), (660, 43796), (880, 32847), (1320, 21898), (2640, 10949)]