7680780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{601}}^1$

素因数の和:687

約数の個数: 72

約数和(自身を含む): 23665824

約数和(自身を除く): 15985044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 601, 639, 710, 852, 1065, 1202, 1278, 1420, 1803, 2130, 2404, 2556, 3005, 3195, 3606, 4260, 5409, 6010, 6390, 7212, 9015, 10818, 12020, 12780, 18030, 21636, 27045, 36060, 42671, 54090, 85342, 108180, 128013, 170684, 213355, 256026, 384039, 426710, 512052, 640065, 768078, 853420, 1280130, 1536156, 1920195, 2560260, 3840390, 7680780]

約数ペア:

[(1, 7680780), (2, 3840390), (3, 2560260), (4, 1920195), (5, 1536156), (6, 1280130), (9, 853420), (10, 768078), (12, 640065), (15, 512052), (18, 426710), (20, 384039), (30, 256026), (36, 213355), (45, 170684), (60, 128013), (71, 108180), (90, 85342), (142, 54090), (180, 42671), (213, 36060), (284, 27045), (355, 21636), (426, 18030), (601, 12780), (639, 12020), (710, 10818), (852, 9015), (1065, 7212), (1202, 6390), (1278, 6010), (1420, 5409), (1803, 4260), (2130, 3606), (2404, 3195), (2556, 3005)]