221702520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1$

素因数の和:254

約数の個数: 256

約数和(自身を含む): 772208640

約数和(自身を除く): 550506120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 37, 39, 40, 46, 52, 60, 65, 69, 74, 78, 92, 104, 111, 115, 120, 130, 138, 148, 156, 167, 184, 185, 195, 222, 230, 260, 276, 296, 299, 312, 334, 345, 370, 390, 444, 460, 481, 501, 520, 552, 555, 598, 668, 690, 740, 780, 835, 851, 888, 897, 920, 962, 1002, 1110, 1196, 1336, 1380, 1443, 1480, 1495, 1560, 1670, 1702, 1794, 1924, 2004, 2171, 2220, 2392, 2405, 2505, 2553, 2760, 2886, 2990, 3340, 3404, 3588, 3841, 3848, 4008, 4255, 4342, 4440, 4485, 4810, 5010, 5106, 5772, 5980, 6179, 6513, 6680, 6808, 7176, 7215, 7682, 8510, 8684, 8970, 9620, 10020, 10212, 10855, 11063, 11523, 11544, 11960, 12358, 12765, 13026, 14430, 15364, 17020, 17368, 17940, 18537, 19205, 19240, 20040, 20424, 21710, 22126, 23046, 24716, 25530, 26052, 28860, 30728, 30895, 32565, 33189, 34040, 35880, 37074, 38410, 43420, 44252, 46092, 49432, 49933, 51060, 52104, 55315, 57615, 57720, 61790, 65130, 66378, 74148, 76820, 80327, 86840, 88504, 92184, 92685, 99866, 102120, 110630, 115230, 123580, 130260, 132756, 142117, 148296, 149799, 153640, 160654, 165945, 185370, 199732, 221260, 230460, 240981, 247160, 249665, 260520, 265512, 284234, 299598, 321308, 331890, 370740, 399464, 401635, 426351, 442520, 460920, 481962, 499330, 568468, 599196, 642616, 663780, 710585, 741480, 748995, 803270, 852702, 963924, 998660, 1136936, 1198392, 1204905, 1327560, 1421170, 1497990, 1606540, 1705404, 1847521, 1927848, 1997320, 2131755, 2409810, 2842340, 2995980, 3213080, 3410808, 3695042, 4263510, 4819620, 5542563, 5684680, 5991960, 7390084, 8527020, 9237605, 9639240, 11085126, 14780168, 17054040, 18475210, 22170252, 27712815, 36950420, 44340504, 55425630, 73900840, 110851260, 221702520]

約数ペア:

[(1, 221702520), (2, 110851260), (3, 73900840), (4, 55425630), (5, 44340504), (6, 36950420), (8, 27712815), (10, 22170252), (12, 18475210), (13, 17054040), (15, 14780168), (20, 11085126), (23, 9639240), (24, 9237605), (26, 8527020), (30, 7390084), (37, 5991960), (39, 5684680), (40, 5542563), (46, 4819620), (52, 4263510), (60, 3695042), (65, 3410808), (69, 3213080), (74, 2995980), (78, 2842340), (92, 2409810), (104, 2131755), (111, 1997320), (115, 1927848), (120, 1847521), (130, 1705404), (138, 1606540), (148, 1497990), (156, 1421170), (167, 1327560), (184, 1204905), (185, 1198392), (195, 1136936), (222, 998660), (230, 963924), (260, 852702), (276, 803270), (296, 748995), (299, 741480), (312, 710585), (334, 663780), (345, 642616), (370, 599196), (390, 568468), (444, 499330), (460, 481962), (481, 460920), (501, 442520), (520, 426351), (552, 401635), (555, 399464), (598, 370740), (668, 331890), (690, 321308), (740, 299598), (780, 284234), (835, 265512), (851, 260520), (888, 249665), (897, 247160), (920, 240981), (962, 230460), (1002, 221260), (1110, 199732), (1196, 185370), (1336, 165945), (1380, 160654), (1443, 153640), (1480, 149799), (1495, 148296), (1560, 142117), (1670, 132756), (1702, 130260), (1794, 123580), (1924, 115230), (2004, 110630), (2171, 102120), (2220, 99866), (2392, 92685), (2405, 92184), (2505, 88504), (2553, 86840), (2760, 80327), (2886, 76820), (2990, 74148), (3340, 66378), (3404, 65130), (3588, 61790), (3841, 57720), (3848, 57615), (4008, 55315), (4255, 52104), (4342, 51060), (4440, 49933), (4485, 49432), (4810, 46092), (5010, 44252), (5106, 43420), (5772, 38410), (5980, 37074), (6179, 35880), (6513, 34040), (6680, 33189), (6808, 32565), (7176, 30895), (7215, 30728), (7682, 28860), (8510, 26052), (8684, 25530), (8970, 24716), (9620, 23046), (10020, 22126), (10212, 21710), (10855, 20424), (11063, 20040), (11523, 19240), (11544, 19205), (11960, 18537), (12358, 17940), (12765, 17368), (13026, 17020), (14430, 15364)]