8160720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{919}}^1$

素因数の和:972

約数の個数: 80

約数和(自身を含む): 26010240

約数和(自身を除く): 17849520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 919, 1110, 1480, 1776, 1838, 2220, 2757, 2960, 3676, 4440, 4595, 5514, 7352, 8880, 9190, 11028, 13785, 14704, 18380, 22056, 27570, 34003, 36760, 44112, 55140, 68006, 73520, 102009, 110280, 136012, 170015, 204018, 220560, 272024, 340030, 408036, 510045, 544048, 680060, 816072, 1020090, 1360120, 1632144, 2040180, 2720240, 4080360, 8160720]

約数ペア:

[(1, 8160720), (2, 4080360), (3, 2720240), (4, 2040180), (5, 1632144), (6, 1360120), (8, 1020090), (10, 816072), (12, 680060), (15, 544048), (16, 510045), (20, 408036), (24, 340030), (30, 272024), (37, 220560), (40, 204018), (48, 170015), (60, 136012), (74, 110280), (80, 102009), (111, 73520), (120, 68006), (148, 55140), (185, 44112), (222, 36760), (240, 34003), (296, 27570), (370, 22056), (444, 18380), (555, 14704), (592, 13785), (740, 11028), (888, 9190), (919, 8880), (1110, 7352), (1480, 5514), (1776, 4595), (1838, 4440), (2220, 3676), (2757, 2960)]