120780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1$

素因数の和:87

約数の個数: 72

約数和(自身を含む): 406224

約数和(自身を除く): 285444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 61, 66, 90, 99, 110, 122, 132, 165, 180, 183, 198, 220, 244, 305, 330, 366, 396, 495, 549, 610, 660, 671, 732, 915, 990, 1098, 1220, 1342, 1830, 1980, 2013, 2196, 2684, 2745, 3355, 3660, 4026, 5490, 6039, 6710, 8052, 10065, 10980, 12078, 13420, 20130, 24156, 30195, 40260, 60390, 120780]

約数ペア:

[(1, 120780), (2, 60390), (3, 40260), (4, 30195), (5, 24156), (6, 20130), (9, 13420), (10, 12078), (11, 10980), (12, 10065), (15, 8052), (18, 6710), (20, 6039), (22, 5490), (30, 4026), (33, 3660), (36, 3355), (44, 2745), (45, 2684), (55, 2196), (60, 2013), (61, 1980), (66, 1830), (90, 1342), (99, 1220), (110, 1098), (122, 990), (132, 915), (165, 732), (180, 671), (183, 660), (198, 610), (220, 549), (244, 495), (305, 396), (330, 366)]