15571840

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{839}}^1$

素因数の和:887

約数の個数: 64

約数和(自身を含む): 38556000

約数和(自身を除く): 22984160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 290, 320, 464, 580, 640, 839, 928, 1160, 1678, 1856, 2320, 3356, 3712, 4195, 4640, 6712, 8390, 9280, 13424, 16780, 18560, 24331, 26848, 33560, 48662, 53696, 67120, 97324, 107392, 121655, 134240, 194648, 243310, 268480, 389296, 486620, 536960, 778592, 973240, 1557184, 1946480, 3114368, 3892960, 7785920, 15571840]

約数ペア:

[(1, 15571840), (2, 7785920), (4, 3892960), (5, 3114368), (8, 1946480), (10, 1557184), (16, 973240), (20, 778592), (29, 536960), (32, 486620), (40, 389296), (58, 268480), (64, 243310), (80, 194648), (116, 134240), (128, 121655), (145, 107392), (160, 97324), (232, 67120), (290, 53696), (320, 48662), (464, 33560), (580, 26848), (640, 24331), (839, 18560), (928, 16780), (1160, 13424), (1678, 9280), (1856, 8390), (2320, 6712), (3356, 4640), (3712, 4195)]