820315188

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:416

約数の個数: 240

約数和(自身を含む): 2704762368

約数和(自身を除く): 1884447180

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 54, 63, 66, 77, 81, 84, 99, 108, 126, 131, 132, 154, 162, 189, 198, 231, 251, 252, 262, 297, 308, 324, 378, 393, 396, 462, 502, 524, 567, 594, 693, 753, 756, 786, 891, 917, 924, 1004, 1134, 1179, 1188, 1386, 1441, 1506, 1572, 1757, 1782, 1834, 2079, 2259, 2268, 2358, 2751, 2761, 2772, 2882, 3012, 3514, 3537, 3564, 3668, 4158, 4323, 4518, 4716, 5271, 5502, 5522, 5764, 6237, 6777, 7028, 7074, 8253, 8283, 8316, 8646, 9036, 10087, 10542, 10611, 11004, 11044, 12474, 12969, 13554, 14148, 15813, 16506, 16566, 17292, 19327, 20174, 20331, 21084, 21222, 24759, 24849, 24948, 25938, 27108, 30261, 31626, 32881, 33012, 33132, 38654, 38907, 40348, 40662, 42444, 47439, 49518, 49698, 51876, 57981, 60522, 63252, 65762, 74277, 74547, 77308, 77814, 81324, 90783, 94878, 98643, 99036, 99396, 115962, 116721, 121044, 131524, 142317, 148554, 149094, 155628, 173943, 181566, 189756, 197286, 223641, 230167, 231924, 233442, 272349, 284634, 295929, 297108, 298188, 347886, 361691, 363132, 394572, 447282, 460334, 466884, 521829, 544698, 569268, 591858, 690501, 695772, 723382, 817047, 887787, 894564, 920668, 1043658, 1085073, 1089396, 1183716, 1381002, 1446764, 1565487, 1634094, 1775574, 2071503, 2087316, 2170146, 2531837, 2663361, 2762004, 3130974, 3255219, 3268188, 3551148, 4143006, 4340292, 5063674, 5326722, 6214509, 6261948, 6510438, 7595511, 8286012, 9765657, 10127348, 10653444, 12429018, 13020876, 15191022, 18643527, 19531314, 22786533, 24858036, 29296971, 30382044, 37287054, 39062628, 45573066, 58593942, 68359599, 74574108, 91146132, 117187884, 136719198, 205078797, 273438396, 410157594, 820315188]

約数ペア:

[(1, 820315188), (2, 410157594), (3, 273438396), (4, 205078797), (6, 136719198), (7, 117187884), (9, 91146132), (11, 74574108), (12, 68359599), (14, 58593942), (18, 45573066), (21, 39062628), (22, 37287054), (27, 30382044), (28, 29296971), (33, 24858036), (36, 22786533), (42, 19531314), (44, 18643527), (54, 15191022), (63, 13020876), (66, 12429018), (77, 10653444), (81, 10127348), (84, 9765657), (99, 8286012), (108, 7595511), (126, 6510438), (131, 6261948), (132, 6214509), (154, 5326722), (162, 5063674), (189, 4340292), (198, 4143006), (231, 3551148), (251, 3268188), (252, 3255219), (262, 3130974), (297, 2762004), (308, 2663361), (324, 2531837), (378, 2170146), (393, 2087316), (396, 2071503), (462, 1775574), (502, 1634094), (524, 1565487), (567, 1446764), (594, 1381002), (693, 1183716), (753, 1089396), (756, 1085073), (786, 1043658), (891, 920668), (917, 894564), (924, 887787), (1004, 817047), (1134, 723382), (1179, 695772), (1188, 690501), (1386, 591858), (1441, 569268), (1506, 544698), (1572, 521829), (1757, 466884), (1782, 460334), (1834, 447282), (2079, 394572), (2259, 363132), (2268, 361691), (2358, 347886), (2751, 298188), (2761, 297108), (2772, 295929), (2882, 284634), (3012, 272349), (3514, 233442), (3537, 231924), (3564, 230167), (3668, 223641), (4158, 197286), (4323, 189756), (4518, 181566), (4716, 173943), (5271, 155628), (5502, 149094), (5522, 148554), (5764, 142317), (6237, 131524), (6777, 121044), (7028, 116721), (7074, 115962), (8253, 99396), (8283, 99036), (8316, 98643), (8646, 94878), (9036, 90783), (10087, 81324), (10542, 77814), (10611, 77308), (11004, 74547), (11044, 74277), (12474, 65762), (12969, 63252), (13554, 60522), (14148, 57981), (15813, 51876), (16506, 49698), (16566, 49518), (17292, 47439), (19327, 42444), (20174, 40662), (20331, 40348), (21084, 38907), (21222, 38654), (24759, 33132), (24849, 33012), (24948, 32881), (25938, 31626), (27108, 30261)]