1330581280

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:256

約数の個数: 288

約数和(自身を含む): 3921716736

約数和(自身を除く): 2591135456

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 47, 49, 56, 70, 80, 92, 94, 98, 112, 115, 140, 157, 160, 161, 184, 188, 196, 224, 230, 235, 245, 280, 314, 322, 329, 368, 376, 392, 460, 470, 490, 560, 628, 644, 658, 736, 752, 784, 785, 805, 920, 940, 980, 1081, 1099, 1120, 1127, 1256, 1288, 1316, 1504, 1568, 1570, 1610, 1645, 1840, 1880, 1960, 2162, 2198, 2254, 2303, 2512, 2576, 2632, 3140, 3220, 3290, 3611, 3680, 3760, 3920, 4324, 4396, 4508, 4606, 5024, 5152, 5264, 5405, 5495, 5635, 6280, 6440, 6580, 7222, 7379, 7520, 7567, 7693, 7840, 8648, 8792, 9016, 9212, 10528, 10810, 10990, 11270, 11515, 12560, 12880, 13160, 14444, 14758, 15134, 15386, 17296, 17584, 18032, 18055, 18424, 21620, 21980, 22540, 23030, 25120, 25277, 25760, 26320, 28888, 29516, 30268, 30772, 34592, 35168, 36064, 36110, 36848, 36895, 37835, 38465, 43240, 43960, 45080, 46060, 50554, 51653, 52640, 52969, 57776, 59032, 60536, 61544, 72220, 73696, 73790, 75670, 76930, 86480, 87920, 90160, 92120, 101108, 103306, 105938, 115552, 118064, 121072, 123088, 126385, 144440, 147580, 151340, 153860, 169717, 172960, 175840, 176939, 180320, 184240, 202216, 206612, 211876, 236128, 242144, 246176, 252770, 258265, 264845, 288880, 295160, 302680, 307720, 339434, 353878, 361571, 368480, 404432, 413224, 423752, 505540, 516530, 529690, 577760, 590320, 605360, 615440, 678868, 707756, 723142, 808864, 826448, 847504, 848585, 884695, 1011080, 1033060, 1059380, 1180640, 1188019, 1210720, 1230880, 1357736, 1415512, 1446284, 1652896, 1695008, 1697170, 1769390, 1807855, 2022160, 2066120, 2118760, 2376038, 2715472, 2831024, 2892568, 3394340, 3538780, 3615710, 4044320, 4132240, 4237520, 4752076, 5430944, 5662048, 5785136, 5940095, 6788680, 7077560, 7231420, 8264480, 8316133, 8475040, 9504152, 11570272, 11880190, 13577360, 14155120, 14462840, 16632266, 19008304, 23760380, 27154720, 28310240, 28925680, 33264532, 38016608, 41580665, 47520760, 57851360, 66529064, 83161330, 95041520, 133058128, 166322660, 190083040, 266116256, 332645320, 665290640, 1330581280]

約数ペア:

[(1, 1330581280), (2, 665290640), (4, 332645320), (5, 266116256), (7, 190083040), (8, 166322660), (10, 133058128), (14, 95041520), (16, 83161330), (20, 66529064), (23, 57851360), (28, 47520760), (32, 41580665), (35, 38016608), (40, 33264532), (46, 28925680), (47, 28310240), (49, 27154720), (56, 23760380), (70, 19008304), (80, 16632266), (92, 14462840), (94, 14155120), (98, 13577360), (112, 11880190), (115, 11570272), (140, 9504152), (157, 8475040), (160, 8316133), (161, 8264480), (184, 7231420), (188, 7077560), (196, 6788680), (224, 5940095), (230, 5785136), (235, 5662048), (245, 5430944), (280, 4752076), (314, 4237520), (322, 4132240), (329, 4044320), (368, 3615710), (376, 3538780), (392, 3394340), (460, 2892568), (470, 2831024), (490, 2715472), (560, 2376038), (628, 2118760), (644, 2066120), (658, 2022160), (736, 1807855), (752, 1769390), (784, 1697170), (785, 1695008), (805, 1652896), (920, 1446284), (940, 1415512), (980, 1357736), (1081, 1230880), (1099, 1210720), (1120, 1188019), (1127, 1180640), (1256, 1059380), (1288, 1033060), (1316, 1011080), (1504, 884695), (1568, 848585), (1570, 847504), (1610, 826448), (1645, 808864), (1840, 723142), (1880, 707756), (1960, 678868), (2162, 615440), (2198, 605360), (2254, 590320), (2303, 577760), (2512, 529690), (2576, 516530), (2632, 505540), (3140, 423752), (3220, 413224), (3290, 404432), (3611, 368480), (3680, 361571), (3760, 353878), (3920, 339434), (4324, 307720), (4396, 302680), (4508, 295160), (4606, 288880), (5024, 264845), (5152, 258265), (5264, 252770), (5405, 246176), (5495, 242144), (5635, 236128), (6280, 211876), (6440, 206612), (6580, 202216), (7222, 184240), (7379, 180320), (7520, 176939), (7567, 175840), (7693, 172960), (7840, 169717), (8648, 153860), (8792, 151340), (9016, 147580), (9212, 144440), (10528, 126385), (10810, 123088), (10990, 121072), (11270, 118064), (11515, 115552), (12560, 105938), (12880, 103306), (13160, 101108), (14444, 92120), (14758, 90160), (15134, 87920), (15386, 86480), (17296, 76930), (17584, 75670), (18032, 73790), (18055, 73696), (18424, 72220), (21620, 61544), (21980, 60536), (22540, 59032), (23030, 57776), (25120, 52969), (25277, 52640), (25760, 51653), (26320, 50554), (28888, 46060), (29516, 45080), (30268, 43960), (30772, 43240), (34592, 38465), (35168, 37835), (36064, 36895), (36110, 36848)]