20164868640

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{5039}}^1$

素因数の和:5464

約数の個数: 288

約数和(自身を含む): 78856727040

約数和(自身を除く): 58691858400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 397, 420, 480, 504, 560, 630, 672, 720, 794, 840, 1008, 1120, 1191, 1260, 1440, 1588, 1680, 1985, 2016, 2382, 2520, 2779, 3176, 3360, 3573, 3970, 4764, 5039, 5040, 5558, 5955, 6352, 7146, 7940, 8337, 9528, 10078, 10080, 11116, 11910, 12704, 13895, 14292, 15117, 15880, 16674, 17865, 19056, 20156, 22232, 23820, 25011, 25195, 27790, 28584, 30234, 31760, 33348, 35273, 35730, 38112, 40312, 41685, 44464, 45351, 47640, 50022, 50390, 55580, 57168, 60468, 63520, 66696, 70546, 71460, 75585, 80624, 83370, 88928, 90702, 95280, 100044, 100780, 105819, 111160, 114336, 120936, 125055, 133392, 141092, 142920, 151170, 161248, 166740, 176365, 181404, 190560, 200088, 201560, 211638, 222320, 226755, 241872, 250110, 266784, 282184, 285840, 302340, 317457, 333480, 352730, 362808, 400176, 403120, 423276, 444640, 453510, 483744, 500220, 529095, 564368, 571680, 604680, 634914, 666960, 705460, 725616, 800352, 806240, 846552, 907020, 1000440, 1058190, 1128736, 1209360, 1269828, 1333920, 1410920, 1451232, 1587285, 1693104, 1814040, 2000483, 2000880, 2116380, 2418720, 2539656, 2821840, 3174570, 3386208, 3628080, 4000966, 4001760, 4232760, 5079312, 5643680, 6001449, 6349140, 7256160, 8001932, 8465520, 10002415, 10158624, 12002898, 12698280, 14003381, 16003864, 16931040, 18004347, 20004830, 24005796, 25396560, 28006762, 30007245, 32007728, 36008694, 40009660, 42010143, 48011592, 50793120, 56013524, 60014490, 64015456, 70016905, 72017388, 80019320, 84020286, 90021735, 96023184, 112027048, 120028980, 126030429, 140033810, 144034776, 160038640, 168040572, 180043470, 192046368, 210050715, 224054096, 240057960, 252060858, 280067620, 288069552, 320077280, 336081144, 360086940, 420101430, 448108192, 480115920, 504121716, 560135240, 576139104, 630152145, 672162288, 720173880, 840202860, 960231840, 1008243432, 1120270480, 1260304290, 1344324576, 1440347760, 1680405720, 2016486864, 2240540960, 2520608580, 2880695520, 3360811440, 4032973728, 5041217160, 6721622880, 10082434320, 20164868640]

約数ペア:

[(1, 20164868640), (2, 10082434320), (3, 6721622880), (4, 5041217160), (5, 4032973728), (6, 3360811440), (7, 2880695520), (8, 2520608580), (9, 2240540960), (10, 2016486864), (12, 1680405720), (14, 1440347760), (15, 1344324576), (16, 1260304290), (18, 1120270480), (20, 1008243432), (21, 960231840), (24, 840202860), (28, 720173880), (30, 672162288), (32, 630152145), (35, 576139104), (36, 560135240), (40, 504121716), (42, 480115920), (45, 448108192), (48, 420101430), (56, 360086940), (60, 336081144), (63, 320077280), (70, 288069552), (72, 280067620), (80, 252060858), (84, 240057960), (90, 224054096), (96, 210050715), (105, 192046368), (112, 180043470), (120, 168040572), (126, 160038640), (140, 144034776), (144, 140033810), (160, 126030429), (168, 120028980), (180, 112027048), (210, 96023184), (224, 90021735), (240, 84020286), (252, 80019320), (280, 72017388), (288, 70016905), (315, 64015456), (336, 60014490), (360, 56013524), (397, 50793120), (420, 48011592), (480, 42010143), (504, 40009660), (560, 36008694), (630, 32007728), (672, 30007245), (720, 28006762), (794, 25396560), (840, 24005796), (1008, 20004830), (1120, 18004347), (1191, 16931040), (1260, 16003864), (1440, 14003381), (1588, 12698280), (1680, 12002898), (1985, 10158624), (2016, 10002415), (2382, 8465520), (2520, 8001932), (2779, 7256160), (3176, 6349140), (3360, 6001449), (3573, 5643680), (3970, 5079312), (4764, 4232760), (5039, 4001760), (5040, 4000966), (5558, 3628080), (5955, 3386208), (6352, 3174570), (7146, 2821840), (7940, 2539656), (8337, 2418720), (9528, 2116380), (10078, 2000880), (10080, 2000483), (11116, 1814040), (11910, 1693104), (12704, 1587285), (13895, 1451232), (14292, 1410920), (15117, 1333920), (15880, 1269828), (16674, 1209360), (17865, 1128736), (19056, 1058190), (20156, 1000440), (22232, 907020), (23820, 846552), (25011, 806240), (25195, 800352), (27790, 725616), (28584, 705460), (30234, 666960), (31760, 634914), (33348, 604680), (35273, 571680), (35730, 564368), (38112, 529095), (40312, 500220), (41685, 483744), (44464, 453510), (45351, 444640), (47640, 423276), (50022, 403120), (50390, 400176), (55580, 362808), (57168, 352730), (60468, 333480), (63520, 317457), (66696, 302340), (70546, 285840), (71460, 282184), (75585, 266784), (80624, 250110), (83370, 241872), (88928, 226755), (90702, 222320), (95280, 211638), (100044, 201560), (100780, 200088), (105819, 190560), (111160, 181404), (114336, 176365), (120936, 166740), (125055, 161248), (133392, 151170), (141092, 142920)]