720430074

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{439823}}^1$

素因数の和:439851

約数の個数: 48

約数和(自身を含む): 1921151232

約数和(自身を除く): 1200721158

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 439823, 879646, 1319469, 2638938, 3078761, 3958407, 5717699, 6157522, 7916814, 9236283, 11435398, 17153097, 18472566, 27708849, 34306194, 40023893, 51459291, 55417698, 80047786, 102918582, 120071679, 240143358, 360215037, 720430074]

約数ペア:

[(1, 720430074), (2, 360215037), (3, 240143358), (6, 120071679), (7, 102918582), (9, 80047786), (13, 55417698), (14, 51459291), (18, 40023893), (21, 34306194), (26, 27708849), (39, 18472566), (42, 17153097), (63, 11435398), (78, 9236283), (91, 7916814), (117, 6157522), (126, 5717699), (182, 3958407), (234, 3078761), (273, 2638938), (546, 1319469), (819, 879646), (1638, 439823)]