8170380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2389}}^1$

素因数の和:2423

約数の個数: 72

約数和(自身を含む): 26098800

約数和(自身を除く): 17928420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 2389, 3420, 4778, 7167, 9556, 11945, 14334, 21501, 23890, 28668, 35835, 43002, 45391, 47780, 71670, 86004, 90782, 107505, 136173, 143340, 181564, 215010, 226955, 272346, 408519, 430020, 453910, 544692, 680865, 817038, 907820, 1361730, 1634076, 2042595, 2723460, 4085190, 8170380]

約数ペア:

[(1, 8170380), (2, 4085190), (3, 2723460), (4, 2042595), (5, 1634076), (6, 1361730), (9, 907820), (10, 817038), (12, 680865), (15, 544692), (18, 453910), (19, 430020), (20, 408519), (30, 272346), (36, 226955), (38, 215010), (45, 181564), (57, 143340), (60, 136173), (76, 107505), (90, 90782), (95, 86004), (114, 71670), (171, 47780), (180, 45391), (190, 43002), (228, 35835), (285, 28668), (342, 23890), (380, 21501), (570, 14334), (684, 11945), (855, 9556), (1140, 7167), (1710, 4778), (2389, 3420)]