20163727840

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{1277}}^1$

素因数の和:1445

約数の個数: 192

約数和(自身を含む): 51129610560

約数和(自身を除く): 30965882720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 41, 58, 80, 82, 83, 116, 145, 160, 164, 166, 205, 232, 290, 328, 332, 410, 415, 464, 580, 656, 664, 820, 830, 928, 1160, 1189, 1277, 1312, 1328, 1640, 1660, 2320, 2378, 2407, 2554, 2656, 3280, 3320, 3403, 4640, 4756, 4814, 5108, 5945, 6385, 6560, 6640, 6806, 9512, 9628, 10216, 11890, 12035, 12770, 13280, 13612, 17015, 19024, 19256, 20432, 23780, 24070, 25540, 27224, 34030, 37033, 38048, 38512, 40864, 47560, 48140, 51080, 52357, 54448, 68060, 74066, 77024, 95120, 96280, 98687, 102160, 104714, 105991, 108896, 136120, 148132, 185165, 190240, 192560, 197374, 204320, 209428, 211982, 261785, 272240, 296264, 370330, 385120, 394748, 418856, 423964, 493435, 523570, 529955, 544480, 592528, 740660, 789496, 837712, 847928, 986870, 1047140, 1059910, 1185056, 1481320, 1518353, 1578992, 1675424, 1695856, 1973740, 2094280, 2119820, 2962640, 3036706, 3073739, 3157984, 3391712, 3947480, 4188560, 4239640, 4345631, 5925280, 6073412, 6147478, 7591765, 7894960, 8377120, 8479280, 8691262, 12146824, 12294956, 15183530, 15368695, 15789920, 16958560, 17382524, 21728155, 24293648, 24589912, 30367060, 30737390, 34765048, 43456310, 48587296, 49179824, 60734120, 61474780, 69530096, 86912620, 98359648, 121468240, 122949560, 126023299, 139060192, 173825240, 242936480, 245899120, 252046598, 347650480, 491798240, 504093196, 630116495, 695300960, 1008186392, 1260232990, 2016372784, 2520465980, 4032745568, 5040931960, 10081863920, 20163727840]

約数ペア:

[(1, 20163727840), (2, 10081863920), (4, 5040931960), (5, 4032745568), (8, 2520465980), (10, 2016372784), (16, 1260232990), (20, 1008186392), (29, 695300960), (32, 630116495), (40, 504093196), (41, 491798240), (58, 347650480), (80, 252046598), (82, 245899120), (83, 242936480), (116, 173825240), (145, 139060192), (160, 126023299), (164, 122949560), (166, 121468240), (205, 98359648), (232, 86912620), (290, 69530096), (328, 61474780), (332, 60734120), (410, 49179824), (415, 48587296), (464, 43456310), (580, 34765048), (656, 30737390), (664, 30367060), (820, 24589912), (830, 24293648), (928, 21728155), (1160, 17382524), (1189, 16958560), (1277, 15789920), (1312, 15368695), (1328, 15183530), (1640, 12294956), (1660, 12146824), (2320, 8691262), (2378, 8479280), (2407, 8377120), (2554, 7894960), (2656, 7591765), (3280, 6147478), (3320, 6073412), (3403, 5925280), (4640, 4345631), (4756, 4239640), (4814, 4188560), (5108, 3947480), (5945, 3391712), (6385, 3157984), (6560, 3073739), (6640, 3036706), (6806, 2962640), (9512, 2119820), (9628, 2094280), (10216, 1973740), (11890, 1695856), (12035, 1675424), (12770, 1578992), (13280, 1518353), (13612, 1481320), (17015, 1185056), (19024, 1059910), (19256, 1047140), (20432, 986870), (23780, 847928), (24070, 837712), (25540, 789496), (27224, 740660), (34030, 592528), (37033, 544480), (38048, 529955), (38512, 523570), (40864, 493435), (47560, 423964), (48140, 418856), (51080, 394748), (52357, 385120), (54448, 370330), (68060, 296264), (74066, 272240), (77024, 261785), (95120, 211982), (96280, 209428), (98687, 204320), (102160, 197374), (104714, 192560), (105991, 190240), (108896, 185165), (136120, 148132)]