80520

素因数分解:

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

素因数の和:86

約数の個数: 64

約数和(自身を含む): 267840

約数和(自身を除く): 187320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 61, 66, 88, 110, 120, 122, 132, 165, 183, 220, 244, 264, 305, 330, 366, 440, 488, 610, 660, 671, 732, 915, 1220, 1320, 1342, 1464, 1830, 2013, 2440, 2684, 3355, 3660, 4026, 5368, 6710, 7320, 8052, 10065, 13420, 16104, 20130, 26840, 40260, 80520]

約数ペア:

[(1, 80520), (2, 40260), (3, 26840), (4, 20130), (5, 16104), (6, 13420), (8, 10065), (10, 8052), (11, 7320), (12, 6710), (15, 5368), (20, 4026), (22, 3660), (24, 3355), (30, 2684), (33, 2440), (40, 2013), (44, 1830), (55, 1464), (60, 1342), (61, 1320), (66, 1220), (88, 915), (110, 732), (120, 671), (122, 660), (132, 610), (165, 488), (183, 440), (220, 366), (244, 330), (264, 305)]