163568860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{347}}^1$

素因数の和:420

約数の個数: 144

約数和(自身を含む): 443215584

約数和(自身を除く): 279646724

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 37, 49, 52, 65, 70, 74, 91, 98, 130, 140, 148, 182, 185, 196, 245, 259, 260, 347, 364, 370, 455, 481, 490, 518, 637, 694, 740, 910, 962, 980, 1036, 1274, 1295, 1388, 1735, 1813, 1820, 1924, 2405, 2429, 2548, 2590, 3185, 3367, 3470, 3626, 4511, 4810, 4858, 5180, 6370, 6734, 6940, 7252, 9022, 9065, 9620, 9716, 12145, 12740, 12839, 13468, 16835, 17003, 18044, 18130, 22555, 23569, 24290, 25678, 31577, 33670, 34006, 36260, 45110, 47138, 48580, 51356, 63154, 64195, 67340, 68012, 85015, 89873, 90220, 94276, 117845, 126308, 128390, 157885, 166907, 170030, 179746, 221039, 235690, 256780, 315770, 333814, 340060, 359492, 442078, 449365, 471380, 629111, 631540, 667628, 834535, 884156, 898730, 1105195, 1168349, 1258222, 1669070, 1797460, 2210390, 2336698, 2516444, 3145555, 3338140, 4420780, 4673396, 5841745, 6291110, 8178443, 11683490, 12582220, 16356886, 23366980, 32713772, 40892215, 81784430, 163568860]

約数ペア:

[(1, 163568860), (2, 81784430), (4, 40892215), (5, 32713772), (7, 23366980), (10, 16356886), (13, 12582220), (14, 11683490), (20, 8178443), (26, 6291110), (28, 5841745), (35, 4673396), (37, 4420780), (49, 3338140), (52, 3145555), (65, 2516444), (70, 2336698), (74, 2210390), (91, 1797460), (98, 1669070), (130, 1258222), (140, 1168349), (148, 1105195), (182, 898730), (185, 884156), (196, 834535), (245, 667628), (259, 631540), (260, 629111), (347, 471380), (364, 449365), (370, 442078), (455, 359492), (481, 340060), (490, 333814), (518, 315770), (637, 256780), (694, 235690), (740, 221039), (910, 179746), (962, 170030), (980, 166907), (1036, 157885), (1274, 128390), (1295, 126308), (1388, 117845), (1735, 94276), (1813, 90220), (1820, 89873), (1924, 85015), (2405, 68012), (2429, 67340), (2548, 64195), (2590, 63154), (3185, 51356), (3367, 48580), (3470, 47138), (3626, 45110), (4511, 36260), (4810, 34006), (4858, 33670), (5180, 31577), (6370, 25678), (6734, 24290), (6940, 23569), (7252, 22555), (9022, 18130), (9065, 18044), (9620, 17003), (9716, 16835), (12145, 13468), (12740, 12839)]