1666884680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{523}}^1$

素因数の和:703

約数の個数: 128

約数和(自身を含む): 4108579200

約数和(自身を除く): 2441694520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 109, 136, 170, 172, 215, 218, 340, 344, 430, 436, 523, 545, 680, 731, 860, 872, 1046, 1090, 1462, 1720, 1853, 2092, 2180, 2615, 2924, 3655, 3706, 4184, 4360, 4687, 5230, 5848, 7310, 7412, 8891, 9265, 9374, 10460, 14620, 14824, 17782, 18530, 18748, 20920, 22489, 23435, 29240, 35564, 37060, 37496, 44455, 44978, 46870, 57007, 71128, 74120, 79679, 88910, 89956, 93740, 112445, 114014, 159358, 177820, 179912, 187480, 224890, 228028, 285035, 318716, 355640, 382313, 398395, 449780, 456056, 570070, 637432, 764626, 796790, 899560, 969119, 1140140, 1529252, 1593580, 1911565, 1938238, 2280280, 2451301, 3058504, 3187160, 3823130, 3876476, 4845595, 4902602, 7646260, 7752952, 9691190, 9805204, 12256505, 15292520, 19382380, 19610408, 24513010, 38764760, 41672117, 49026020, 83344234, 98052040, 166688468, 208360585, 333376936, 416721170, 833442340, 1666884680]

約数ペア:

[(1, 1666884680), (2, 833442340), (4, 416721170), (5, 333376936), (8, 208360585), (10, 166688468), (17, 98052040), (20, 83344234), (34, 49026020), (40, 41672117), (43, 38764760), (68, 24513010), (85, 19610408), (86, 19382380), (109, 15292520), (136, 12256505), (170, 9805204), (172, 9691190), (215, 7752952), (218, 7646260), (340, 4902602), (344, 4845595), (430, 3876476), (436, 3823130), (523, 3187160), (545, 3058504), (680, 2451301), (731, 2280280), (860, 1938238), (872, 1911565), (1046, 1593580), (1090, 1529252), (1462, 1140140), (1720, 969119), (1853, 899560), (2092, 796790), (2180, 764626), (2615, 637432), (2924, 570070), (3655, 456056), (3706, 449780), (4184, 398395), (4360, 382313), (4687, 355640), (5230, 318716), (5848, 285035), (7310, 228028), (7412, 224890), (8891, 187480), (9265, 179912), (9374, 177820), (10460, 159358), (14620, 114014), (14824, 112445), (17782, 93740), (18530, 89956), (18748, 88910), (20920, 79679), (22489, 74120), (23435, 71128), (29240, 57007), (35564, 46870), (37060, 44978), (37496, 44455)]