219799980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:270

約数の個数: 240

約数和(自身を含む): 749290080

約数和(自身を除く): 529490100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 37, 38, 45, 54, 57, 60, 74, 76, 81, 90, 95, 108, 111, 114, 135, 148, 162, 171, 180, 185, 190, 193, 222, 228, 270, 285, 324, 333, 342, 370, 380, 386, 405, 444, 513, 540, 555, 570, 579, 666, 684, 703, 740, 772, 810, 855, 965, 999, 1026, 1110, 1140, 1158, 1332, 1406, 1539, 1620, 1665, 1710, 1737, 1930, 1998, 2052, 2109, 2220, 2316, 2565, 2812, 2895, 2997, 3078, 3330, 3420, 3474, 3515, 3667, 3860, 3996, 4218, 4995, 5130, 5211, 5790, 5994, 6156, 6327, 6660, 6948, 7030, 7141, 7334, 7695, 8436, 8685, 9990, 10260, 10422, 10545, 11001, 11580, 11988, 12654, 14060, 14282, 14668, 14985, 15390, 15633, 17370, 18335, 18981, 19980, 20844, 21090, 21423, 22002, 25308, 26055, 28564, 29970, 30780, 31266, 31635, 33003, 34740, 35705, 36670, 37962, 42180, 42846, 44004, 52110, 55005, 56943, 59940, 62532, 63270, 64269, 66006, 71410, 73340, 75924, 78165, 85692, 94905, 99009, 104220, 107115, 110010, 113886, 126540, 128538, 132012, 135679, 142820, 156330, 165015, 189810, 192807, 198018, 214230, 220020, 227772, 257076, 271358, 284715, 297027, 312660, 321345, 330030, 379620, 385614, 396036, 407037, 428460, 495045, 542716, 569430, 578421, 594054, 642690, 660060, 678395, 771228, 814074, 964035, 990090, 1138860, 1156842, 1188108, 1221111, 1285380, 1356790, 1485135, 1628148, 1928070, 1980180, 2035185, 2313684, 2442222, 2713580, 2892105, 2970270, 3663333, 3856140, 4070370, 4884444, 5784210, 5940540, 6105555, 7326666, 8140740, 10989999, 11568420, 12211110, 14653332, 18316665, 21979998, 24422220, 36633330, 43959996, 54949995, 73266660, 109899990, 219799980]

約数ペア:

[(1, 219799980), (2, 109899990), (3, 73266660), (4, 54949995), (5, 43959996), (6, 36633330), (9, 24422220), (10, 21979998), (12, 18316665), (15, 14653332), (18, 12211110), (19, 11568420), (20, 10989999), (27, 8140740), (30, 7326666), (36, 6105555), (37, 5940540), (38, 5784210), (45, 4884444), (54, 4070370), (57, 3856140), (60, 3663333), (74, 2970270), (76, 2892105), (81, 2713580), (90, 2442222), (95, 2313684), (108, 2035185), (111, 1980180), (114, 1928070), (135, 1628148), (148, 1485135), (162, 1356790), (171, 1285380), (180, 1221111), (185, 1188108), (190, 1156842), (193, 1138860), (222, 990090), (228, 964035), (270, 814074), (285, 771228), (324, 678395), (333, 660060), (342, 642690), (370, 594054), (380, 578421), (386, 569430), (405, 542716), (444, 495045), (513, 428460), (540, 407037), (555, 396036), (570, 385614), (579, 379620), (666, 330030), (684, 321345), (703, 312660), (740, 297027), (772, 284715), (810, 271358), (855, 257076), (965, 227772), (999, 220020), (1026, 214230), (1110, 198018), (1140, 192807), (1158, 189810), (1332, 165015), (1406, 156330), (1539, 142820), (1620, 135679), (1665, 132012), (1710, 128538), (1737, 126540), (1930, 113886), (1998, 110010), (2052, 107115), (2109, 104220), (2220, 99009), (2316, 94905), (2565, 85692), (2812, 78165), (2895, 75924), (2997, 73340), (3078, 71410), (3330, 66006), (3420, 64269), (3474, 63270), (3515, 62532), (3667, 59940), (3860, 56943), (3996, 55005), (4218, 52110), (4995, 44004), (5130, 42846), (5211, 42180), (5790, 37962), (5994, 36670), (6156, 35705), (6327, 34740), (6660, 33003), (6948, 31635), (7030, 31266), (7141, 30780), (7334, 29970), (7695, 28564), (8436, 26055), (8685, 25308), (9990, 22002), (10260, 21423), (10422, 21090), (10545, 20844), (11001, 19980), (11580, 18981), (11988, 18335), (12654, 17370), (14060, 15633), (14282, 15390), (14668, 14985)]