20173784280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{6361}}^1$

素因数の和:6514

約数の個数: 256

約数和(自身を含む): 69259276800

約数和(自身を除く): 49085492520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 107, 114, 120, 130, 152, 156, 190, 195, 214, 228, 247, 260, 285, 312, 321, 380, 390, 428, 456, 494, 520, 535, 570, 642, 741, 760, 780, 856, 988, 1070, 1140, 1235, 1284, 1391, 1482, 1560, 1605, 1976, 2033, 2140, 2280, 2470, 2568, 2782, 2964, 3210, 3705, 4066, 4173, 4280, 4940, 5564, 5928, 6099, 6361, 6420, 6955, 7410, 8132, 8346, 9880, 10165, 11128, 12198, 12722, 12840, 13910, 14820, 16264, 16692, 19083, 20330, 20865, 24396, 25444, 26429, 27820, 29640, 30495, 31805, 33384, 38166, 40660, 41730, 48792, 50888, 52858, 55640, 60990, 63610, 76332, 79287, 81320, 82693, 83460, 95415, 105716, 120859, 121980, 127220, 132145, 152664, 158574, 165386, 166920, 190830, 211432, 241718, 243960, 248079, 254440, 264290, 317148, 330772, 362577, 381660, 396435, 413465, 483436, 496158, 528580, 604295, 634296, 661544, 680627, 725154, 763320, 792870, 826930, 966872, 992316, 1057160, 1208590, 1240395, 1361254, 1450308, 1571167, 1585740, 1653860, 1812885, 1984632, 2041881, 2417180, 2480790, 2722508, 2900616, 3142334, 3171480, 3307720, 3403135, 3625770, 4083762, 4713501, 4834360, 4961580, 5445016, 6284668, 6806270, 7251540, 7855835, 8167524, 8848151, 9427002, 9923160, 10209405, 12569336, 12931913, 13612540, 14503080, 15711670, 16335048, 17696302, 18854004, 20418810, 23567505, 25863826, 26544453, 27225080, 31423340, 35392604, 37708008, 38795739, 40837620, 44240755, 47135010, 51727652, 53088906, 62846680, 64659565, 70785208, 77591478, 81675240, 88481510, 94270020, 103455304, 106177812, 129319130, 132722265, 155182956, 168114869, 176963020, 188540040, 193978695, 212355624, 258638260, 265444530, 310365912, 336229738, 353926040, 387957390, 504344607, 517276520, 530889060, 672459476, 775914780, 840574345, 1008689214, 1061778120, 1344918952, 1551829560, 1681148690, 2017378428, 2521723035, 3362297380, 4034756856, 5043446070, 6724594760, 10086892140, 20173784280]

約数ペア:

[(1, 20173784280), (2, 10086892140), (3, 6724594760), (4, 5043446070), (5, 4034756856), (6, 3362297380), (8, 2521723035), (10, 2017378428), (12, 1681148690), (13, 1551829560), (15, 1344918952), (19, 1061778120), (20, 1008689214), (24, 840574345), (26, 775914780), (30, 672459476), (38, 530889060), (39, 517276520), (40, 504344607), (52, 387957390), (57, 353926040), (60, 336229738), (65, 310365912), (76, 265444530), (78, 258638260), (95, 212355624), (104, 193978695), (107, 188540040), (114, 176963020), (120, 168114869), (130, 155182956), (152, 132722265), (156, 129319130), (190, 106177812), (195, 103455304), (214, 94270020), (228, 88481510), (247, 81675240), (260, 77591478), (285, 70785208), (312, 64659565), (321, 62846680), (380, 53088906), (390, 51727652), (428, 47135010), (456, 44240755), (494, 40837620), (520, 38795739), (535, 37708008), (570, 35392604), (642, 31423340), (741, 27225080), (760, 26544453), (780, 25863826), (856, 23567505), (988, 20418810), (1070, 18854004), (1140, 17696302), (1235, 16335048), (1284, 15711670), (1391, 14503080), (1482, 13612540), (1560, 12931913), (1605, 12569336), (1976, 10209405), (2033, 9923160), (2140, 9427002), (2280, 8848151), (2470, 8167524), (2568, 7855835), (2782, 7251540), (2964, 6806270), (3210, 6284668), (3705, 5445016), (4066, 4961580), (4173, 4834360), (4280, 4713501), (4940, 4083762), (5564, 3625770), (5928, 3403135), (6099, 3307720), (6361, 3171480), (6420, 3142334), (6955, 2900616), (7410, 2722508), (8132, 2480790), (8346, 2417180), (9880, 2041881), (10165, 1984632), (11128, 1812885), (12198, 1653860), (12722, 1585740), (12840, 1571167), (13910, 1450308), (14820, 1361254), (16264, 1240395), (16692, 1208590), (19083, 1057160), (20330, 992316), (20865, 966872), (24396, 826930), (25444, 792870), (26429, 763320), (27820, 725154), (29640, 680627), (30495, 661544), (31805, 634296), (33384, 604295), (38166, 528580), (40660, 496158), (41730, 483436), (48792, 413465), (50888, 396435), (52858, 381660), (55640, 362577), (60990, 330772), (63610, 317148), (76332, 264290), (79287, 254440), (81320, 248079), (82693, 243960), (83460, 241718), (95415, 211432), (105716, 190830), (120859, 166920), (121980, 165386), (127220, 158574), (132145, 152664)]