12840120

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{1321}}^1$

素因数の和:1347

約数の個数: 96

約数和(自身を含む): 43308720

約数和(自身を除く): 30468600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 810, 972, 1080, 1215, 1321, 1620, 1944, 2430, 2642, 3240, 3963, 4860, 5284, 6605, 7926, 9720, 10568, 11889, 13210, 15852, 19815, 23778, 26420, 31704, 35667, 39630, 47556, 52840, 59445, 71334, 79260, 95112, 107001, 118890, 142668, 158520, 178335, 214002, 237780, 285336, 321003, 356670, 428004, 475560, 535005, 642006, 713340, 856008, 1070010, 1284012, 1426680, 1605015, 2140020, 2568024, 3210030, 4280040, 6420060, 12840120]

約数ペア:

[(1, 12840120), (2, 6420060), (3, 4280040), (4, 3210030), (5, 2568024), (6, 2140020), (8, 1605015), (9, 1426680), (10, 1284012), (12, 1070010), (15, 856008), (18, 713340), (20, 642006), (24, 535005), (27, 475560), (30, 428004), (36, 356670), (40, 321003), (45, 285336), (54, 237780), (60, 214002), (72, 178335), (81, 158520), (90, 142668), (108, 118890), (120, 107001), (135, 95112), (162, 79260), (180, 71334), (216, 59445), (243, 52840), (270, 47556), (324, 39630), (360, 35667), (405, 31704), (486, 26420), (540, 23778), (648, 19815), (810, 15852), (972, 13210), (1080, 11889), (1215, 10568), (1321, 9720), (1620, 7926), (1944, 6605), (2430, 5284), (2642, 4860), (3240, 3963)]