155335280

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:442

約数の個数: 80

約数和(自身を含む): 371330400

約数和(自身を除く): 215995120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 139, 229, 244, 278, 305, 458, 488, 556, 610, 695, 916, 976, 1112, 1145, 1220, 1390, 1832, 2224, 2290, 2440, 2780, 3664, 4580, 4880, 5560, 8479, 9160, 11120, 13969, 16958, 18320, 27938, 31831, 33916, 42395, 55876, 63662, 67832, 69845, 84790, 111752, 127324, 135664, 139690, 159155, 169580, 223504, 254648, 279380, 318310, 339160, 509296, 558760, 636620, 678320, 1117520, 1273240, 1941691, 2546480, 3883382, 7766764, 9708455, 15533528, 19416910, 31067056, 38833820, 77667640, 155335280]

約数ペア:

[(1, 155335280), (2, 77667640), (4, 38833820), (5, 31067056), (8, 19416910), (10, 15533528), (16, 9708455), (20, 7766764), (40, 3883382), (61, 2546480), (80, 1941691), (122, 1273240), (139, 1117520), (229, 678320), (244, 636620), (278, 558760), (305, 509296), (458, 339160), (488, 318310), (556, 279380), (610, 254648), (695, 223504), (916, 169580), (976, 159155), (1112, 139690), (1145, 135664), (1220, 127324), (1390, 111752), (1832, 84790), (2224, 69845), (2290, 67832), (2440, 63662), (2780, 55876), (3664, 42395), (4580, 33916), (4880, 31831), (5560, 27938), (8479, 18320), (9160, 16958), (11120, 13969)]