81292582980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{64517923}}^1$

素因数の和:64517945

約数の個数: 72

約数和(自身を含む): 281814292032

約数和(自身を除く): 200521709052

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, 64517923, 129035846, 193553769, 258071692, 322589615, 387107538, 451625461, 580661307, 645179230, 774215076, 903250922, 967768845, 1161322614, 1290358460, 1354876383, 1806501844, 1935537690, 2258127305, 2322645228, 2709752766, 2903306535, 3871075380, 4064629149, 4516254610, 5419505532, 5806613070, 6774381915, 8129258298, 9032509220, 11613226140, 13548763830, 16258516596, 20323145745, 27097527660, 40646291490, 81292582980]

約数ペア:

[(1, 81292582980), (2, 40646291490), (3, 27097527660), (4, 20323145745), (5, 16258516596), (6, 13548763830), (7, 11613226140), (9, 9032509220), (10, 8129258298), (12, 6774381915), (14, 5806613070), (15, 5419505532), (18, 4516254610), (20, 4064629149), (21, 3871075380), (28, 2903306535), (30, 2709752766), (35, 2322645228), (36, 2258127305), (42, 1935537690), (45, 1806501844), (60, 1354876383), (63, 1290358460), (70, 1161322614), (84, 967768845), (90, 903250922), (105, 774215076), (126, 645179230), (140, 580661307), (180, 451625461), (210, 387107538), (252, 322589615), (315, 258071692), (420, 193553769), (630, 129035846), (1260, 64517923)]