77951360

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3929}}^1$

素因数の和:3979

約数の個数: 64

約数和(自身を含む): 192412800

約数和(自身を除く): 114461440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3929, 3968, 4960, 7858, 9920, 15716, 19645, 19840, 31432, 39290, 62864, 78580, 121799, 125728, 157160, 243598, 251456, 314320, 487196, 502912, 608995, 628640, 974392, 1217990, 1257280, 1948784, 2435980, 2514560, 3897568, 4871960, 7795136, 9743920, 15590272, 19487840, 38975680, 77951360]

約数ペア:

[(1, 77951360), (2, 38975680), (4, 19487840), (5, 15590272), (8, 9743920), (10, 7795136), (16, 4871960), (20, 3897568), (31, 2514560), (32, 2435980), (40, 1948784), (62, 1257280), (64, 1217990), (80, 974392), (124, 628640), (128, 608995), (155, 502912), (160, 487196), (248, 314320), (310, 251456), (320, 243598), (496, 157160), (620, 125728), (640, 121799), (992, 78580), (1240, 62864), (1984, 39290), (2480, 31432), (3929, 19840), (3968, 19645), (4960, 15716), (7858, 9920)]