12880980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{10223}}^1$

素因数の和:10245

約数の個数: 72

約数和(自身を含む): 44658432

約数和(自身を除く): 31777452

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, 10223, 20446, 30669, 40892, 51115, 61338, 71561, 92007, 102230, 122676, 143122, 153345, 184014, 204460, 214683, 286244, 306690, 357805, 368028, 429366, 460035, 613380, 644049, 715610, 858732, 920070, 1073415, 1288098, 1431220, 1840140, 2146830, 2576196, 3220245, 4293660, 6440490, 12880980]

約数ペア:

[(1, 12880980), (2, 6440490), (3, 4293660), (4, 3220245), (5, 2576196), (6, 2146830), (7, 1840140), (9, 1431220), (10, 1288098), (12, 1073415), (14, 920070), (15, 858732), (18, 715610), (20, 644049), (21, 613380), (28, 460035), (30, 429366), (35, 368028), (36, 357805), (42, 306690), (45, 286244), (60, 214683), (63, 204460), (70, 184014), (84, 153345), (90, 143122), (105, 122676), (126, 102230), (140, 92007), (180, 71561), (210, 61338), (252, 51115), (315, 40892), (420, 30669), (630, 20446), (1260, 10223)]