221528880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{983}}^1$

素因数の和:1315

約数の個数: 120

約数和(自身を含む): 747103968

約数和(自身を除く): 525575088

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 313, 360, 626, 720, 939, 983, 1252, 1565, 1878, 1966, 2504, 2817, 2949, 3130, 3756, 3932, 4695, 4915, 5008, 5634, 5898, 6260, 7512, 7864, 8847, 9390, 9830, 11268, 11796, 12520, 14085, 14745, 15024, 15728, 17694, 18780, 19660, 22536, 23592, 25040, 28170, 29490, 35388, 37560, 39320, 44235, 45072, 47184, 56340, 58980, 70776, 75120, 78640, 88470, 112680, 117960, 141552, 176940, 225360, 235920, 307679, 353880, 615358, 707760, 923037, 1230716, 1538395, 1846074, 2461432, 2769111, 3076790, 3692148, 4615185, 4922864, 5538222, 6153580, 7384296, 9230370, 11076444, 12307160, 13845555, 14768592, 18460740, 22152888, 24614320, 27691110, 36921480, 44305776, 55382220, 73842960, 110764440, 221528880]

約数ペア:

[(1, 221528880), (2, 110764440), (3, 73842960), (4, 55382220), (5, 44305776), (6, 36921480), (8, 27691110), (9, 24614320), (10, 22152888), (12, 18460740), (15, 14768592), (16, 13845555), (18, 12307160), (20, 11076444), (24, 9230370), (30, 7384296), (36, 6153580), (40, 5538222), (45, 4922864), (48, 4615185), (60, 3692148), (72, 3076790), (80, 2769111), (90, 2461432), (120, 1846074), (144, 1538395), (180, 1230716), (240, 923037), (313, 707760), (360, 615358), (626, 353880), (720, 307679), (939, 235920), (983, 225360), (1252, 176940), (1565, 141552), (1878, 117960), (1966, 112680), (2504, 88470), (2817, 78640), (2949, 75120), (3130, 70776), (3756, 58980), (3932, 56340), (4695, 47184), (4915, 45072), (5008, 44235), (5634, 39320), (5898, 37560), (6260, 35388), (7512, 29490), (7864, 28170), (8847, 25040), (9390, 23592), (9830, 22536), (11268, 19660), (11796, 18780), (12520, 17694), (14085, 15728), (14745, 15024)]