21888240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8291}}^1$

素因数の和:8318

約数の個数: 80

約数和(自身を含む): 74030976

約数和(自身を除く): 52142736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 8291, 16582, 24873, 33164, 41455, 49746, 66328, 82910, 91201, 99492, 124365, 132656, 165820, 182402, 198984, 248730, 273603, 331640, 364804, 397968, 456005, 497460, 547206, 663280, 729608, 912010, 994920, 1094412, 1368015, 1459216, 1824020, 1989840, 2188824, 2736030, 3648040, 4377648, 5472060, 7296080, 10944120, 21888240]

約数ペア:

[(1, 21888240), (2, 10944120), (3, 7296080), (4, 5472060), (5, 4377648), (6, 3648040), (8, 2736030), (10, 2188824), (11, 1989840), (12, 1824020), (15, 1459216), (16, 1368015), (20, 1094412), (22, 994920), (24, 912010), (30, 729608), (33, 663280), (40, 547206), (44, 497460), (48, 456005), (55, 397968), (60, 364804), (66, 331640), (80, 273603), (88, 248730), (110, 198984), (120, 182402), (132, 165820), (165, 132656), (176, 124365), (220, 99492), (240, 91201), (264, 82910), (330, 66328), (440, 49746), (528, 41455), (660, 33164), (880, 24873), (1320, 16582), (2640, 8291)]