1311980880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{3847}}^1$

素因数の和:3906

約数の個数: 240

約数和(自身を含む): 4895579520

約数和(自身を除く): 3583598640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 35, 40, 42, 48, 49, 56, 58, 60, 70, 80, 84, 87, 98, 105, 112, 116, 120, 140, 145, 147, 168, 174, 196, 203, 210, 232, 240, 245, 280, 290, 294, 336, 348, 392, 406, 420, 435, 464, 490, 560, 580, 588, 609, 696, 735, 784, 812, 840, 870, 980, 1015, 1160, 1176, 1218, 1392, 1421, 1470, 1624, 1680, 1740, 1960, 2030, 2320, 2352, 2436, 2842, 2940, 3045, 3248, 3480, 3847, 3920, 4060, 4263, 4872, 5684, 5880, 6090, 6960, 7105, 7694, 8120, 8526, 9744, 11368, 11541, 11760, 12180, 14210, 15388, 16240, 17052, 19235, 21315, 22736, 23082, 24360, 26929, 28420, 30776, 34104, 38470, 42630, 46164, 48720, 53858, 56840, 57705, 61552, 68208, 76940, 80787, 85260, 92328, 107716, 111563, 113680, 115410, 134645, 153880, 161574, 170520, 184656, 188503, 215432, 223126, 230820, 269290, 307760, 323148, 334689, 341040, 377006, 403935, 430864, 446252, 461640, 538580, 557815, 565509, 646296, 669378, 754012, 780941, 807870, 892504, 923280, 942515, 1077160, 1115630, 1131018, 1292592, 1338756, 1508024, 1561882, 1615740, 1673445, 1785008, 1885030, 2154320, 2231260, 2262036, 2342823, 2677512, 2827545, 3016048, 3123764, 3231480, 3346890, 3770060, 3904705, 4462520, 4524072, 4685646, 5355024, 5466587, 5655090, 6247528, 6462960, 6693780, 7540120, 7809410, 8925040, 9048144, 9371292, 10933174, 11310180, 11714115, 12495056, 13387560, 15080240, 15618820, 16399761, 18742584, 21866348, 22620360, 23428230, 26775120, 27332935, 31237640, 32799522, 37485168, 43732696, 45240720, 46856460, 54665870, 62475280, 65599044, 81998805, 87465392, 93712920, 109331740, 131198088, 163997610, 187425840, 218663480, 262396176, 327995220, 437326960, 655990440, 1311980880]

約数ペア:

[(1, 1311980880), (2, 655990440), (3, 437326960), (4, 327995220), (5, 262396176), (6, 218663480), (7, 187425840), (8, 163997610), (10, 131198088), (12, 109331740), (14, 93712920), (15, 87465392), (16, 81998805), (20, 65599044), (21, 62475280), (24, 54665870), (28, 46856460), (29, 45240720), (30, 43732696), (35, 37485168), (40, 32799522), (42, 31237640), (48, 27332935), (49, 26775120), (56, 23428230), (58, 22620360), (60, 21866348), (70, 18742584), (80, 16399761), (84, 15618820), (87, 15080240), (98, 13387560), (105, 12495056), (112, 11714115), (116, 11310180), (120, 10933174), (140, 9371292), (145, 9048144), (147, 8925040), (168, 7809410), (174, 7540120), (196, 6693780), (203, 6462960), (210, 6247528), (232, 5655090), (240, 5466587), (245, 5355024), (280, 4685646), (290, 4524072), (294, 4462520), (336, 3904705), (348, 3770060), (392, 3346890), (406, 3231480), (420, 3123764), (435, 3016048), (464, 2827545), (490, 2677512), (560, 2342823), (580, 2262036), (588, 2231260), (609, 2154320), (696, 1885030), (735, 1785008), (784, 1673445), (812, 1615740), (840, 1561882), (870, 1508024), (980, 1338756), (1015, 1292592), (1160, 1131018), (1176, 1115630), (1218, 1077160), (1392, 942515), (1421, 923280), (1470, 892504), (1624, 807870), (1680, 780941), (1740, 754012), (1960, 669378), (2030, 646296), (2320, 565509), (2352, 557815), (2436, 538580), (2842, 461640), (2940, 446252), (3045, 430864), (3248, 403935), (3480, 377006), (3847, 341040), (3920, 334689), (4060, 323148), (4263, 307760), (4872, 269290), (5684, 230820), (5880, 223126), (6090, 215432), (6960, 188503), (7105, 184656), (7694, 170520), (8120, 161574), (8526, 153880), (9744, 134645), (11368, 115410), (11541, 113680), (11760, 111563), (12180, 107716), (14210, 92328), (15388, 85260), (16240, 80787), (17052, 76940), (19235, 68208), (21315, 61552), (22736, 57705), (23082, 56840), (24360, 53858), (26929, 48720), (28420, 46164), (30776, 42630), (34104, 38470)]