8425740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{389}}^1$

素因数の和:439

約数の個数: 72

約数和(自身を含む): 24963120

約数和(自身を除く): 16537380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 361, 380, 389, 570, 722, 778, 1083, 1140, 1167, 1444, 1556, 1805, 1945, 2166, 2334, 3610, 3890, 4332, 4668, 5415, 5835, 7220, 7391, 7780, 10830, 11670, 14782, 21660, 22173, 23340, 29564, 36955, 44346, 73910, 88692, 110865, 140429, 147820, 221730, 280858, 421287, 443460, 561716, 702145, 842574, 1404290, 1685148, 2106435, 2808580, 4212870, 8425740]

約数ペア:

[(1, 8425740), (2, 4212870), (3, 2808580), (4, 2106435), (5, 1685148), (6, 1404290), (10, 842574), (12, 702145), (15, 561716), (19, 443460), (20, 421287), (30, 280858), (38, 221730), (57, 147820), (60, 140429), (76, 110865), (95, 88692), (114, 73910), (190, 44346), (228, 36955), (285, 29564), (361, 23340), (380, 22173), (389, 21660), (570, 14782), (722, 11670), (778, 10830), (1083, 7780), (1140, 7391), (1167, 7220), (1444, 5835), (1556, 5415), (1805, 4668), (1945, 4332), (2166, 3890), (2334, 3610)]