51689880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1$

素因数の和:279

約数の個数: 256

約数和(自身を含む): 198720000

約数和(自身を除く): 147030120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 19, 20, 22, 24, 27, 30, 33, 36, 38, 40, 44, 45, 54, 55, 57, 60, 66, 72, 76, 88, 90, 95, 99, 108, 110, 114, 120, 132, 135, 152, 165, 171, 180, 190, 198, 209, 216, 220, 228, 229, 264, 270, 285, 297, 330, 342, 360, 380, 396, 418, 440, 456, 458, 495, 513, 540, 570, 594, 627, 660, 684, 687, 760, 792, 836, 855, 916, 990, 1026, 1045, 1080, 1140, 1145, 1188, 1254, 1320, 1368, 1374, 1485, 1672, 1710, 1832, 1881, 1980, 2052, 2061, 2090, 2280, 2290, 2376, 2508, 2519, 2565, 2748, 2970, 3135, 3420, 3435, 3762, 3960, 4104, 4122, 4180, 4351, 4580, 5016, 5038, 5130, 5496, 5643, 5940, 6183, 6270, 6840, 6870, 7524, 7557, 8244, 8360, 8702, 9160, 9405, 10076, 10260, 10305, 11286, 11880, 12366, 12540, 12595, 13053, 13740, 15048, 15114, 16488, 17404, 18810, 20152, 20520, 20610, 21755, 22572, 22671, 24732, 25080, 25190, 26106, 27480, 28215, 30228, 30915, 34808, 37620, 37785, 39159, 41220, 43510, 45144, 45342, 47861, 49464, 50380, 52212, 56430, 60456, 61830, 65265, 68013, 75240, 75570, 78318, 82440, 87020, 90684, 95722, 100760, 104424, 112860, 113355, 117477, 123660, 130530, 136026, 143583, 151140, 156636, 174040, 181368, 191444, 195795, 225720, 226710, 234954, 239305, 247320, 261060, 272052, 287166, 302280, 313272, 340065, 382888, 391590, 430749, 453420, 469908, 478610, 522120, 544104, 574332, 587385, 680130, 717915, 783180, 861498, 906840, 939816, 957220, 1148664, 1174770, 1292247, 1360260, 1435830, 1566360, 1722996, 1914440, 2153745, 2349540, 2584494, 2720520, 2871660, 3445992, 4307490, 4699080, 5168988, 5743320, 6461235, 8614980, 10337976, 12922470, 17229960, 25844940, 51689880]

約数ペア:

[(1, 51689880), (2, 25844940), (3, 17229960), (4, 12922470), (5, 10337976), (6, 8614980), (8, 6461235), (9, 5743320), (10, 5168988), (11, 4699080), (12, 4307490), (15, 3445992), (18, 2871660), (19, 2720520), (20, 2584494), (22, 2349540), (24, 2153745), (27, 1914440), (30, 1722996), (33, 1566360), (36, 1435830), (38, 1360260), (40, 1292247), (44, 1174770), (45, 1148664), (54, 957220), (55, 939816), (57, 906840), (60, 861498), (66, 783180), (72, 717915), (76, 680130), (88, 587385), (90, 574332), (95, 544104), (99, 522120), (108, 478610), (110, 469908), (114, 453420), (120, 430749), (132, 391590), (135, 382888), (152, 340065), (165, 313272), (171, 302280), (180, 287166), (190, 272052), (198, 261060), (209, 247320), (216, 239305), (220, 234954), (228, 226710), (229, 225720), (264, 195795), (270, 191444), (285, 181368), (297, 174040), (330, 156636), (342, 151140), (360, 143583), (380, 136026), (396, 130530), (418, 123660), (440, 117477), (456, 113355), (458, 112860), (495, 104424), (513, 100760), (540, 95722), (570, 90684), (594, 87020), (627, 82440), (660, 78318), (684, 75570), (687, 75240), (760, 68013), (792, 65265), (836, 61830), (855, 60456), (916, 56430), (990, 52212), (1026, 50380), (1045, 49464), (1080, 47861), (1140, 45342), (1145, 45144), (1188, 43510), (1254, 41220), (1320, 39159), (1368, 37785), (1374, 37620), (1485, 34808), (1672, 30915), (1710, 30228), (1832, 28215), (1881, 27480), (1980, 26106), (2052, 25190), (2061, 25080), (2090, 24732), (2280, 22671), (2290, 22572), (2376, 21755), (2508, 20610), (2519, 20520), (2565, 20152), (2748, 18810), (2970, 17404), (3135, 16488), (3420, 15114), (3435, 15048), (3762, 13740), (3960, 13053), (4104, 12595), (4122, 12540), (4180, 12366), (4351, 11880), (4580, 11286), (5016, 10305), (5038, 10260), (5130, 10076), (5496, 9405), (5643, 9160), (5940, 8702), (6183, 8360), (6270, 8244), (6840, 7557), (6870, 7524)]