28044720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3541}}^1$

素因数の和:3571

約数の個数: 120

約数和(自身を含む): 102774672

約数和(自身を除く): 74729952

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3541, 3960, 7082, 7920, 10623, 14164, 17705, 21246, 28328, 31869, 35410, 38951, 42492, 53115, 56656, 63738, 70820, 77902, 84984, 106230, 116853, 127476, 141640, 155804, 159345, 169968, 194755, 212460, 233706, 254952, 283280, 311608, 318690, 350559, 389510, 424920, 467412, 509904, 584265, 623216, 637380, 701118, 779020, 849840, 934824, 1168530, 1274760, 1402236, 1558040, 1752795, 1869648, 2337060, 2549520, 2804472, 3116080, 3505590, 4674120, 5608944, 7011180, 9348240, 14022360, 28044720]

約数ペア:

[(1, 28044720), (2, 14022360), (3, 9348240), (4, 7011180), (5, 5608944), (6, 4674120), (8, 3505590), (9, 3116080), (10, 2804472), (11, 2549520), (12, 2337060), (15, 1869648), (16, 1752795), (18, 1558040), (20, 1402236), (22, 1274760), (24, 1168530), (30, 934824), (33, 849840), (36, 779020), (40, 701118), (44, 637380), (45, 623216), (48, 584265), (55, 509904), (60, 467412), (66, 424920), (72, 389510), (80, 350559), (88, 318690), (90, 311608), (99, 283280), (110, 254952), (120, 233706), (132, 212460), (144, 194755), (165, 169968), (176, 159345), (180, 155804), (198, 141640), (220, 127476), (240, 116853), (264, 106230), (330, 84984), (360, 77902), (396, 70820), (440, 63738), (495, 56656), (528, 53115), (660, 42492), (720, 38951), (792, 35410), (880, 31869), (990, 28328), (1320, 21246), (1584, 17705), (1980, 14164), (2640, 10623), (3541, 7920), (3960, 7082)]