221451120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{27961}}^1$

素因数の和:27991

約数の個数: 120

約数和(自身を含む): 811345392

約数和(自身を除く): 589894272

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, 3960, 7920, 27961, 55922, 83883, 111844, 139805, 167766, 223688, 251649, 279610, 307571, 335532, 419415, 447376, 503298, 559220, 615142, 671064, 838830, 922713, 1006596, 1118440, 1230284, 1258245, 1342128, 1537855, 1677660, 1845426, 2013192, 2236880, 2460568, 2516490, 2768139, 3075710, 3355320, 3690852, 4026384, 4613565, 4921136, 5032980, 5536278, 6151420, 6710640, 7381704, 9227130, 10065960, 11072556, 12302840, 13840695, 14763408, 18454260, 20131920, 22145112, 24605680, 27681390, 36908520, 44290224, 55362780, 73817040, 110725560, 221451120]

約数ペア:

[(1, 221451120), (2, 110725560), (3, 73817040), (4, 55362780), (5, 44290224), (6, 36908520), (8, 27681390), (9, 24605680), (10, 22145112), (11, 20131920), (12, 18454260), (15, 14763408), (16, 13840695), (18, 12302840), (20, 11072556), (22, 10065960), (24, 9227130), (30, 7381704), (33, 6710640), (36, 6151420), (40, 5536278), (44, 5032980), (45, 4921136), (48, 4613565), (55, 4026384), (60, 3690852), (66, 3355320), (72, 3075710), (80, 2768139), (88, 2516490), (90, 2460568), (99, 2236880), (110, 2013192), (120, 1845426), (132, 1677660), (144, 1537855), (165, 1342128), (176, 1258245), (180, 1230284), (198, 1118440), (220, 1006596), (240, 922713), (264, 838830), (330, 671064), (360, 615142), (396, 559220), (440, 503298), (495, 447376), (528, 419415), (660, 335532), (720, 307571), (792, 279610), (880, 251649), (990, 223688), (1320, 167766), (1584, 139805), (1980, 111844), (2640, 83883), (3960, 55922), (7920, 27961)]