16156980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{12823}}^1$

素因数の和:12845

約数の個数: 72

約数和(自身を含む): 56015232

約数和(自身を除く): 39858252

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 12823, 25646, 38469, 51292, 64115, 76938, 89761, 115407, 128230, 153876, 179522, 192345, 230814, 256460, 269283, 359044, 384690, 448805, 461628, 538566, 577035, 769380, 807849, 897610, 1077132, 1154070, 1346415, 1615698, 1795220, 2308140, 2692830, 3231396, 4039245, 5385660, 8078490, 16156980]

約数ペア:

[(1, 16156980), (2, 8078490), (3, 5385660), (4, 4039245), (5, 3231396), (6, 2692830), (7, 2308140), (9, 1795220), (10, 1615698), (12, 1346415), (14, 1154070), (15, 1077132), (18, 897610), (20, 807849), (21, 769380), (28, 577035), (30, 538566), (35, 461628), (36, 448805), (42, 384690), (45, 359044), (60, 269283), (63, 256460), (70, 230814), (84, 192345), (90, 179522), (105, 153876), (126, 128230), (140, 115407), (180, 89761), (210, 76938), (252, 64115), (315, 51292), (420, 38469), (630, 25646), (1260, 12823)]