78376760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{25447}}^1$

素因数の和:25476

約数の個数: 64

約数和(自身を含む): 219870720

約数和(自身を除く): 141493960

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 25447, 50894, 101788, 127235, 178129, 203576, 254470, 279917, 356258, 508940, 559834, 712516, 890645, 1017880, 1119668, 1399585, 1425032, 1781290, 1959419, 2239336, 2799170, 3562580, 3918838, 5598340, 7125160, 7837676, 9797095, 11196680, 15675352, 19594190, 39188380, 78376760]

約数ペア:

[(1, 78376760), (2, 39188380), (4, 19594190), (5, 15675352), (7, 11196680), (8, 9797095), (10, 7837676), (11, 7125160), (14, 5598340), (20, 3918838), (22, 3562580), (28, 2799170), (35, 2239336), (40, 1959419), (44, 1781290), (55, 1425032), (56, 1399585), (70, 1119668), (77, 1017880), (88, 890645), (110, 712516), (140, 559834), (154, 508940), (220, 356258), (280, 279917), (308, 254470), (385, 203576), (440, 178129), (616, 127235), (770, 101788), (1540, 50894), (3080, 25447)]