1020004160

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:489

約数の個数: 224

約数和(自身を含む): 2950268928

約数和(自身を除く): 1930264768

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 37, 40, 56, 62, 64, 70, 74, 80, 112, 124, 140, 148, 155, 160, 185, 217, 224, 248, 259, 280, 296, 310, 320, 370, 397, 434, 448, 496, 518, 560, 592, 620, 740, 794, 868, 992, 1036, 1085, 1120, 1147, 1184, 1240, 1295, 1480, 1588, 1736, 1984, 1985, 2072, 2170, 2240, 2294, 2368, 2480, 2590, 2779, 2960, 3176, 3472, 3970, 4144, 4340, 4588, 4960, 5180, 5558, 5735, 5920, 6352, 6944, 7940, 8029, 8288, 8680, 9176, 9920, 10360, 11116, 11470, 11840, 12307, 12704, 13888, 13895, 14689, 15880, 16058, 16576, 17360, 18352, 20720, 22232, 22940, 24614, 25408, 27790, 29378, 31760, 32116, 34720, 36704, 40145, 41440, 44464, 45880, 49228, 55580, 58756, 61535, 63520, 64232, 69440, 73408, 73445, 80290, 82880, 86149, 88928, 91760, 98456, 102823, 111160, 117512, 123070, 127040, 128464, 146890, 160580, 172298, 177856, 183520, 196912, 205646, 222320, 235024, 246140, 256928, 293780, 321160, 344596, 367040, 393824, 411292, 430745, 444640, 455359, 470048, 492280, 513856, 514115, 587560, 642320, 689192, 787648, 822584, 861490, 889280, 910718, 940096, 984560, 1028230, 1175120, 1284640, 1378384, 1645168, 1722980, 1821436, 1969120, 2056460, 2276795, 2350240, 2569280, 2756768, 3187513, 3290336, 3445960, 3642872, 3938240, 4112920, 4553590, 4700480, 5513536, 6375026, 6580672, 6891920, 7285744, 8225840, 9107180, 12750052, 13783840, 14571488, 15937565, 16451680, 18214360, 25500104, 27567680, 29142976, 31875130, 32903360, 36428720, 51000208, 63750260, 72857440, 102000416, 127500520, 145714880, 204000832, 255001040, 510002080, 1020004160]

約数ペア:

[(1, 1020004160), (2, 510002080), (4, 255001040), (5, 204000832), (7, 145714880), (8, 127500520), (10, 102000416), (14, 72857440), (16, 63750260), (20, 51000208), (28, 36428720), (31, 32903360), (32, 31875130), (35, 29142976), (37, 27567680), (40, 25500104), (56, 18214360), (62, 16451680), (64, 15937565), (70, 14571488), (74, 13783840), (80, 12750052), (112, 9107180), (124, 8225840), (140, 7285744), (148, 6891920), (155, 6580672), (160, 6375026), (185, 5513536), (217, 4700480), (224, 4553590), (248, 4112920), (259, 3938240), (280, 3642872), (296, 3445960), (310, 3290336), (320, 3187513), (370, 2756768), (397, 2569280), (434, 2350240), (448, 2276795), (496, 2056460), (518, 1969120), (560, 1821436), (592, 1722980), (620, 1645168), (740, 1378384), (794, 1284640), (868, 1175120), (992, 1028230), (1036, 984560), (1085, 940096), (1120, 910718), (1147, 889280), (1184, 861490), (1240, 822584), (1295, 787648), (1480, 689192), (1588, 642320), (1736, 587560), (1984, 514115), (1985, 513856), (2072, 492280), (2170, 470048), (2240, 455359), (2294, 444640), (2368, 430745), (2480, 411292), (2590, 393824), (2779, 367040), (2960, 344596), (3176, 321160), (3472, 293780), (3970, 256928), (4144, 246140), (4340, 235024), (4588, 222320), (4960, 205646), (5180, 196912), (5558, 183520), (5735, 177856), (5920, 172298), (6352, 160580), (6944, 146890), (7940, 128464), (8029, 127040), (8288, 123070), (8680, 117512), (9176, 111160), (9920, 102823), (10360, 98456), (11116, 91760), (11470, 88928), (11840, 86149), (12307, 82880), (12704, 80290), (13888, 73445), (13895, 73408), (14689, 69440), (15880, 64232), (16058, 63520), (16576, 61535), (17360, 58756), (18352, 55580), (20720, 49228), (22232, 45880), (22940, 44464), (24614, 41440), (25408, 40145), (27790, 36704), (29378, 34720), (31760, 32116)]