8215740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3511}}^1$

素因数の和:3539

約数の個数: 72

約数和(自身を含む): 26845728

約数和(自身を除く): 18629988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 3511, 7022, 10533, 14044, 17555, 21066, 31599, 35110, 42132, 45643, 52665, 63198, 70220, 91286, 105330, 126396, 136929, 157995, 182572, 210660, 228215, 273858, 315990, 410787, 456430, 547716, 631980, 684645, 821574, 912860, 1369290, 1643148, 2053935, 2738580, 4107870, 8215740]

約数ペア:

[(1, 8215740), (2, 4107870), (3, 2738580), (4, 2053935), (5, 1643148), (6, 1369290), (9, 912860), (10, 821574), (12, 684645), (13, 631980), (15, 547716), (18, 456430), (20, 410787), (26, 315990), (30, 273858), (36, 228215), (39, 210660), (45, 182572), (52, 157995), (60, 136929), (65, 126396), (78, 105330), (90, 91286), (117, 70220), (130, 63198), (156, 52665), (180, 45643), (195, 42132), (234, 35110), (260, 31599), (390, 21066), (468, 17555), (585, 14044), (780, 10533), (1170, 7022), (2340, 3511)]