215713920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{283}}^1\times {\mathrm{397}}^1$

素因数の和:702

約数の個数: 128

約数和(自身を含む): 691755840

約数和(自身を除く): 476041920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 283, 320, 384, 397, 480, 566, 640, 794, 849, 960, 1132, 1191, 1415, 1588, 1698, 1920, 1985, 2264, 2382, 2830, 3176, 3396, 3970, 4245, 4528, 4764, 5660, 5955, 6352, 6792, 7940, 8490, 9056, 9528, 11320, 11910, 12704, 13584, 15880, 16980, 18112, 19056, 22640, 23820, 25408, 27168, 31760, 33960, 36224, 38112, 45280, 47640, 50816, 54336, 63520, 67920, 76224, 90560, 95280, 108672, 112351, 127040, 135840, 152448, 181120, 190560, 224702, 254080, 271680, 337053, 381120, 449404, 543360, 561755, 674106, 762240, 898808, 1123510, 1348212, 1685265, 1797616, 2247020, 2696424, 3370530, 3595232, 4494040, 5392848, 6741060, 7190464, 8988080, 10785696, 13482120, 14380928, 17976160, 21571392, 26964240, 35952320, 43142784, 53928480, 71904640, 107856960, 215713920]

約数ペア:

[(1, 215713920), (2, 107856960), (3, 71904640), (4, 53928480), (5, 43142784), (6, 35952320), (8, 26964240), (10, 21571392), (12, 17976160), (15, 14380928), (16, 13482120), (20, 10785696), (24, 8988080), (30, 7190464), (32, 6741060), (40, 5392848), (48, 4494040), (60, 3595232), (64, 3370530), (80, 2696424), (96, 2247020), (120, 1797616), (128, 1685265), (160, 1348212), (192, 1123510), (240, 898808), (283, 762240), (320, 674106), (384, 561755), (397, 543360), (480, 449404), (566, 381120), (640, 337053), (794, 271680), (849, 254080), (960, 224702), (1132, 190560), (1191, 181120), (1415, 152448), (1588, 135840), (1698, 127040), (1920, 112351), (1985, 108672), (2264, 95280), (2382, 90560), (2830, 76224), (3176, 67920), (3396, 63520), (3970, 54336), (4245, 50816), (4528, 47640), (4764, 45280), (5660, 38112), (5955, 36224), (6352, 33960), (6792, 31760), (7940, 27168), (8490, 25408), (9056, 23820), (9528, 22640), (11320, 19056), (11910, 18112), (12704, 16980), (13584, 15880)]