17968680

素因数分解:

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

素因数の和:144

約数の個数: 192

約数和(自身を含む): 64022400

約数和(自身を除く): 46053720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 37, 38, 40, 45, 57, 60, 71, 72, 74, 76, 90, 95, 111, 114, 120, 142, 148, 152, 171, 180, 185, 190, 213, 222, 228, 284, 285, 296, 333, 342, 355, 360, 370, 380, 426, 444, 456, 555, 568, 570, 639, 666, 684, 703, 710, 740, 760, 852, 855, 888, 1065, 1110, 1140, 1278, 1332, 1349, 1368, 1406, 1420, 1480, 1665, 1704, 1710, 2109, 2130, 2220, 2280, 2556, 2627, 2664, 2698, 2812, 2840, 3195, 3330, 3420, 3515, 4047, 4218, 4260, 4440, 5112, 5254, 5396, 5624, 6327, 6390, 6660, 6745, 6840, 7030, 7881, 8094, 8436, 8520, 10508, 10545, 10792, 12141, 12654, 12780, 13135, 13320, 13490, 14060, 15762, 16188, 16872, 20235, 21016, 21090, 23643, 24282, 25308, 25560, 26270, 26980, 28120, 31524, 31635, 32376, 39405, 40470, 42180, 47286, 48564, 49913, 50616, 52540, 53960, 60705, 63048, 63270, 78810, 80940, 84360, 94572, 97128, 99826, 105080, 118215, 121410, 126540, 149739, 157620, 161880, 189144, 199652, 236430, 242820, 249565, 253080, 299478, 315240, 399304, 449217, 472860, 485640, 499130, 598956, 748695, 898434, 945720, 998260, 1197912, 1497390, 1796868, 1996520, 2246085, 2994780, 3593736, 4492170, 5989560, 8984340, 17968680]

約数ペア:

[(1, 17968680), (2, 8984340), (3, 5989560), (4, 4492170), (5, 3593736), (6, 2994780), (8, 2246085), (9, 1996520), (10, 1796868), (12, 1497390), (15, 1197912), (18, 998260), (19, 945720), (20, 898434), (24, 748695), (30, 598956), (36, 499130), (37, 485640), (38, 472860), (40, 449217), (45, 399304), (57, 315240), (60, 299478), (71, 253080), (72, 249565), (74, 242820), (76, 236430), (90, 199652), (95, 189144), (111, 161880), (114, 157620), (120, 149739), (142, 126540), (148, 121410), (152, 118215), (171, 105080), (180, 99826), (185, 97128), (190, 94572), (213, 84360), (222, 80940), (228, 78810), (284, 63270), (285, 63048), (296, 60705), (333, 53960), (342, 52540), (355, 50616), (360, 49913), (370, 48564), (380, 47286), (426, 42180), (444, 40470), (456, 39405), (555, 32376), (568, 31635), (570, 31524), (639, 28120), (666, 26980), (684, 26270), (703, 25560), (710, 25308), (740, 24282), (760, 23643), (852, 21090), (855, 21016), (888, 20235), (1065, 16872), (1110, 16188), (1140, 15762), (1278, 14060), (1332, 13490), (1349, 13320), (1368, 13135), (1406, 12780), (1420, 12654), (1480, 12141), (1665, 10792), (1704, 10545), (1710, 10508), (2109, 8520), (2130, 8436), (2220, 8094), (2280, 7881), (2556, 7030), (2627, 6840), (2664, 6745), (2698, 6660), (2812, 6390), (2840, 6327), (3195, 5624), (3330, 5396), (3420, 5254), (3515, 5112), (4047, 4440), (4218, 4260)]