1289743840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:382

約数の個数: 288

約数和(自身を含む): 3964004352

約数和(自身を除く): 2674260512

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 32, 35, 40, 44, 55, 56, 62, 70, 77, 80, 88, 110, 112, 121, 124, 140, 154, 155, 160, 176, 217, 220, 224, 242, 248, 280, 307, 308, 310, 341, 352, 385, 434, 440, 484, 496, 560, 605, 614, 616, 620, 682, 770, 847, 868, 880, 968, 992, 1085, 1120, 1210, 1228, 1232, 1240, 1364, 1535, 1540, 1694, 1705, 1736, 1760, 1936, 2149, 2170, 2387, 2420, 2456, 2464, 2480, 2728, 3070, 3080, 3377, 3388, 3410, 3472, 3751, 3872, 4235, 4298, 4340, 4774, 4840, 4912, 4960, 5456, 6140, 6160, 6754, 6776, 6820, 6944, 7502, 8470, 8596, 8680, 9517, 9548, 9680, 9824, 10745, 10912, 11935, 12280, 12320, 13508, 13552, 13640, 15004, 16885, 16940, 17192, 17360, 18755, 19034, 19096, 19360, 21490, 23639, 23870, 24560, 26257, 27016, 27104, 27280, 30008, 33770, 33880, 34384, 34720, 37147, 37510, 38068, 38192, 42980, 47278, 47585, 47740, 49120, 52514, 54032, 54560, 60016, 66619, 67540, 67760, 68768, 74294, 75020, 76136, 76384, 85960, 94556, 95170, 95480, 104687, 105028, 108064, 118195, 120032, 131285, 133238, 135080, 135520, 148588, 150040, 152272, 171920, 185735, 189112, 190340, 190960, 209374, 210056, 236390, 260029, 262570, 266476, 270160, 297176, 300080, 304544, 333095, 343840, 371470, 378224, 380680, 381920, 418748, 420112, 472780, 520058, 523435, 525140, 532952, 540320, 594352, 600160, 666190, 732809, 742940, 756448, 761360, 837496, 840224, 945560, 1040116, 1046870, 1050280, 1065904, 1151557, 1188704, 1300145, 1332380, 1465618, 1485880, 1522720, 1674992, 1891120, 2080232, 2093740, 2100560, 2131808, 2303114, 2600290, 2664760, 2931236, 2971760, 3349984, 3664045, 3782240, 4160464, 4187480, 4201120, 4606228, 5200580, 5329520, 5757785, 5862472, 5943520, 7328090, 8060899, 8320928, 8374960, 9212456, 10401160, 10659040, 11515570, 11724944, 14656180, 16121798, 16749920, 18424912, 20802320, 23031140, 23449888, 29312360, 32243596, 36849824, 40304495, 41604640, 46062280, 58624720, 64487192, 80608990, 92124560, 117249440, 128974384, 161217980, 184249120, 257948768, 322435960, 644871920, 1289743840]

約数ペア:

[(1, 1289743840), (2, 644871920), (4, 322435960), (5, 257948768), (7, 184249120), (8, 161217980), (10, 128974384), (11, 117249440), (14, 92124560), (16, 80608990), (20, 64487192), (22, 58624720), (28, 46062280), (31, 41604640), (32, 40304495), (35, 36849824), (40, 32243596), (44, 29312360), (55, 23449888), (56, 23031140), (62, 20802320), (70, 18424912), (77, 16749920), (80, 16121798), (88, 14656180), (110, 11724944), (112, 11515570), (121, 10659040), (124, 10401160), (140, 9212456), (154, 8374960), (155, 8320928), (160, 8060899), (176, 7328090), (217, 5943520), (220, 5862472), (224, 5757785), (242, 5329520), (248, 5200580), (280, 4606228), (307, 4201120), (308, 4187480), (310, 4160464), (341, 3782240), (352, 3664045), (385, 3349984), (434, 2971760), (440, 2931236), (484, 2664760), (496, 2600290), (560, 2303114), (605, 2131808), (614, 2100560), (616, 2093740), (620, 2080232), (682, 1891120), (770, 1674992), (847, 1522720), (868, 1485880), (880, 1465618), (968, 1332380), (992, 1300145), (1085, 1188704), (1120, 1151557), (1210, 1065904), (1228, 1050280), (1232, 1046870), (1240, 1040116), (1364, 945560), (1535, 840224), (1540, 837496), (1694, 761360), (1705, 756448), (1736, 742940), (1760, 732809), (1936, 666190), (2149, 600160), (2170, 594352), (2387, 540320), (2420, 532952), (2456, 525140), (2464, 523435), (2480, 520058), (2728, 472780), (3070, 420112), (3080, 418748), (3377, 381920), (3388, 380680), (3410, 378224), (3472, 371470), (3751, 343840), (3872, 333095), (4235, 304544), (4298, 300080), (4340, 297176), (4774, 270160), (4840, 266476), (4912, 262570), (4960, 260029), (5456, 236390), (6140, 210056), (6160, 209374), (6754, 190960), (6776, 190340), (6820, 189112), (6944, 185735), (7502, 171920), (8470, 152272), (8596, 150040), (8680, 148588), (9517, 135520), (9548, 135080), (9680, 133238), (9824, 131285), (10745, 120032), (10912, 118195), (11935, 108064), (12280, 105028), (12320, 104687), (13508, 95480), (13552, 95170), (13640, 94556), (15004, 85960), (16885, 76384), (16940, 76136), (17192, 75020), (17360, 74294), (18755, 68768), (19034, 67760), (19096, 67540), (19360, 66619), (21490, 60016), (23639, 54560), (23870, 54032), (24560, 52514), (26257, 49120), (27016, 47740), (27104, 47585), (27280, 47278), (30008, 42980), (33770, 38192), (33880, 38068), (34384, 37510), (34720, 37147)]