1821810480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{34981}}^1$

素因数の和:35035

約数の個数: 160

約数和(自身を含む): 6662811648

約数和(自身を除く): 4841001168

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 372, 420, 434, 465, 496, 560, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1488, 1680, 1736, 1860, 2170, 2480, 2604, 3255, 3472, 3720, 4340, 5208, 6510, 7440, 8680, 10416, 13020, 17360, 26040, 34981, 52080, 69962, 104943, 139924, 174905, 209886, 244867, 279848, 349810, 419772, 489734, 524715, 559696, 699620, 734601, 839544, 979468, 1049430, 1084411, 1224335, 1399240, 1469202, 1679088, 1958936, 2098860, 2168822, 2448670, 2798480, 2938404, 3253233, 3673005, 3917872, 4197720, 4337644, 4897340, 5422055, 5876808, 6506466, 7346010, 7590877, 8395440, 8675288, 9794680, 10844110, 11753616, 13012932, 14692020, 15181754, 16266165, 17350576, 19589360, 21688220, 22772631, 26025864, 29384040, 30363508, 32532330, 37954385, 43376440, 45545262, 52051728, 58768080, 60727016, 65064660, 75908770, 86752880, 91090524, 113863155, 121454032, 130129320, 151817540, 182181048, 227726310, 260258640, 303635080, 364362096, 455452620, 607270160, 910905240, 1821810480]

約数ペア:

[(1, 1821810480), (2, 910905240), (3, 607270160), (4, 455452620), (5, 364362096), (6, 303635080), (7, 260258640), (8, 227726310), (10, 182181048), (12, 151817540), (14, 130129320), (15, 121454032), (16, 113863155), (20, 91090524), (21, 86752880), (24, 75908770), (28, 65064660), (30, 60727016), (31, 58768080), (35, 52051728), (40, 45545262), (42, 43376440), (48, 37954385), (56, 32532330), (60, 30363508), (62, 29384040), (70, 26025864), (80, 22772631), (84, 21688220), (93, 19589360), (105, 17350576), (112, 16266165), (120, 15181754), (124, 14692020), (140, 13012932), (155, 11753616), (168, 10844110), (186, 9794680), (210, 8675288), (217, 8395440), (240, 7590877), (248, 7346010), (280, 6506466), (310, 5876808), (336, 5422055), (372, 4897340), (420, 4337644), (434, 4197720), (465, 3917872), (496, 3673005), (560, 3253233), (620, 2938404), (651, 2798480), (744, 2448670), (840, 2168822), (868, 2098860), (930, 1958936), (1085, 1679088), (1240, 1469202), (1302, 1399240), (1488, 1224335), (1680, 1084411), (1736, 1049430), (1860, 979468), (2170, 839544), (2480, 734601), (2604, 699620), (3255, 559696), (3472, 524715), (3720, 489734), (4340, 419772), (5208, 349810), (6510, 279848), (7440, 244867), (8680, 209886), (10416, 174905), (13020, 139924), (17360, 104943), (26040, 69962), (34981, 52080)]