8984340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 144

約数和(自身を含む): 29877120

約数和(自身を除く): 20892780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 37, 38, 45, 57, 60, 71, 74, 76, 90, 95, 111, 114, 142, 148, 171, 180, 185, 190, 213, 222, 228, 284, 285, 333, 342, 355, 370, 380, 426, 444, 555, 570, 639, 666, 684, 703, 710, 740, 852, 855, 1065, 1110, 1140, 1278, 1332, 1349, 1406, 1420, 1665, 1710, 2109, 2130, 2220, 2556, 2627, 2698, 2812, 3195, 3330, 3420, 3515, 4047, 4218, 4260, 5254, 5396, 6327, 6390, 6660, 6745, 7030, 7881, 8094, 8436, 10508, 10545, 12141, 12654, 12780, 13135, 13490, 14060, 15762, 16188, 20235, 21090, 23643, 24282, 25308, 26270, 26980, 31524, 31635, 39405, 40470, 42180, 47286, 48564, 49913, 52540, 60705, 63270, 78810, 80940, 94572, 99826, 118215, 121410, 126540, 149739, 157620, 199652, 236430, 242820, 249565, 299478, 449217, 472860, 499130, 598956, 748695, 898434, 998260, 1497390, 1796868, 2246085, 2994780, 4492170, 8984340]

約数ペア:

[(1, 8984340), (2, 4492170), (3, 2994780), (4, 2246085), (5, 1796868), (6, 1497390), (9, 998260), (10, 898434), (12, 748695), (15, 598956), (18, 499130), (19, 472860), (20, 449217), (30, 299478), (36, 249565), (37, 242820), (38, 236430), (45, 199652), (57, 157620), (60, 149739), (71, 126540), (74, 121410), (76, 118215), (90, 99826), (95, 94572), (111, 80940), (114, 78810), (142, 63270), (148, 60705), (171, 52540), (180, 49913), (185, 48564), (190, 47286), (213, 42180), (222, 40470), (228, 39405), (284, 31635), (285, 31524), (333, 26980), (342, 26270), (355, 25308), (370, 24282), (380, 23643), (426, 21090), (444, 20235), (555, 16188), (570, 15762), (639, 14060), (666, 13490), (684, 13135), (703, 12780), (710, 12654), (740, 12141), (852, 10545), (855, 10508), (1065, 8436), (1110, 8094), (1140, 7881), (1278, 7030), (1332, 6745), (1349, 6660), (1406, 6390), (1420, 6327), (1665, 5396), (1710, 5254), (2109, 4260), (2130, 4218), (2220, 4047), (2556, 3515), (2627, 3420), (2698, 3330), (2812, 3195)]