31143680

素因数分解:

$2^8\times 5^1\times {\mathrm{29}}^1\times {\mathrm{839}}^1$

素因数の和:889

約数の個数: 72

約数和(自身を含む): 77263200

約数和(自身を除く): 46119520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 580, 640, 839, 928, 1160, 1280, 1678, 1856, 2320, 3356, 3712, 4195, 4640, 6712, 7424, 8390, 9280, 13424, 16780, 18560, 24331, 26848, 33560, 37120, 48662, 53696, 67120, 97324, 107392, 121655, 134240, 194648, 214784, 243310, 268480, 389296, 486620, 536960, 778592, 973240, 1073920, 1557184, 1946480, 3114368, 3892960, 6228736, 7785920, 15571840, 31143680]

約数ペア:

[(1, 31143680), (2, 15571840), (4, 7785920), (5, 6228736), (8, 3892960), (10, 3114368), (16, 1946480), (20, 1557184), (29, 1073920), (32, 973240), (40, 778592), (58, 536960), (64, 486620), (80, 389296), (116, 268480), (128, 243310), (145, 214784), (160, 194648), (232, 134240), (256, 121655), (290, 107392), (320, 97324), (464, 67120), (580, 53696), (640, 48662), (839, 37120), (928, 33560), (1160, 26848), (1280, 24331), (1678, 18560), (1856, 16780), (2320, 13424), (3356, 9280), (3712, 8390), (4195, 7424), (4640, 6712)]