217907820

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3449}}^1$

素因数の和:3486

約数の個数: 144

約数和(自身を含む): 738410400

約数和(自身を除く): 520502580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 243, 260, 270, 324, 351, 390, 405, 468, 486, 540, 585, 702, 780, 810, 972, 1053, 1170, 1215, 1404, 1620, 1755, 2106, 2340, 2430, 3159, 3449, 3510, 4212, 4860, 5265, 6318, 6898, 7020, 10347, 10530, 12636, 13796, 15795, 17245, 20694, 21060, 31041, 31590, 34490, 41388, 44837, 51735, 62082, 63180, 68980, 89674, 93123, 103470, 124164, 134511, 155205, 179348, 186246, 206940, 224185, 269022, 279369, 310410, 372492, 403533, 448370, 465615, 538044, 558738, 620820, 672555, 807066, 838107, 896740, 931230, 1117476, 1210599, 1345110, 1396845, 1614132, 1676214, 1862460, 2017665, 2421198, 2690220, 2793690, 3352428, 3631797, 4035330, 4190535, 4842396, 5587380, 6052995, 7263594, 8070660, 8381070, 10895391, 12105990, 14527188, 16762140, 18158985, 21790782, 24211980, 36317970, 43581564, 54476955, 72635940, 108953910, 217907820]

約数ペア:

[(1, 217907820), (2, 108953910), (3, 72635940), (4, 54476955), (5, 43581564), (6, 36317970), (9, 24211980), (10, 21790782), (12, 18158985), (13, 16762140), (15, 14527188), (18, 12105990), (20, 10895391), (26, 8381070), (27, 8070660), (30, 7263594), (36, 6052995), (39, 5587380), (45, 4842396), (52, 4190535), (54, 4035330), (60, 3631797), (65, 3352428), (78, 2793690), (81, 2690220), (90, 2421198), (108, 2017665), (117, 1862460), (130, 1676214), (135, 1614132), (156, 1396845), (162, 1345110), (180, 1210599), (195, 1117476), (234, 931230), (243, 896740), (260, 838107), (270, 807066), (324, 672555), (351, 620820), (390, 558738), (405, 538044), (468, 465615), (486, 448370), (540, 403533), (585, 372492), (702, 310410), (780, 279369), (810, 269022), (972, 224185), (1053, 206940), (1170, 186246), (1215, 179348), (1404, 155205), (1620, 134511), (1755, 124164), (2106, 103470), (2340, 93123), (2430, 89674), (3159, 68980), (3449, 63180), (3510, 62082), (4212, 51735), (4860, 44837), (5265, 41388), (6318, 34490), (6898, 31590), (7020, 31041), (10347, 21060), (10530, 20694), (12636, 17245), (13796, 15795)]