2871440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1$

素因数の和:288

約数の個数: 80

約数和(自身を含む): 7874496

約数和(自身を除く): 5003056

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 251, 260, 286, 440, 502, 520, 572, 715, 880, 1004, 1040, 1144, 1255, 1430, 2008, 2288, 2510, 2761, 2860, 3263, 4016, 5020, 5522, 5720, 6526, 10040, 11044, 11440, 13052, 13805, 16315, 20080, 22088, 26104, 27610, 32630, 35893, 44176, 52208, 55220, 65260, 71786, 110440, 130520, 143572, 179465, 220880, 261040, 287144, 358930, 574288, 717860, 1435720, 2871440]

約数ペア:

[(1, 2871440), (2, 1435720), (4, 717860), (5, 574288), (8, 358930), (10, 287144), (11, 261040), (13, 220880), (16, 179465), (20, 143572), (22, 130520), (26, 110440), (40, 71786), (44, 65260), (52, 55220), (55, 52208), (65, 44176), (80, 35893), (88, 32630), (104, 27610), (110, 26104), (130, 22088), (143, 20080), (176, 16315), (208, 13805), (220, 13052), (251, 11440), (260, 11044), (286, 10040), (440, 6526), (502, 5720), (520, 5522), (572, 5020), (715, 4016), (880, 3263), (1004, 2860), (1040, 2761), (1144, 2510), (1255, 2288), (1430, 2008)]