221579820

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^2$

素因数の和:182

約数の個数: 288

約数和(自身を含む): 871395840

約数和(自身を除く): 649816020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 27, 28, 30, 33, 35, 36, 42, 44, 45, 54, 55, 60, 63, 66, 70, 73, 77, 84, 90, 99, 105, 108, 110, 126, 132, 135, 140, 146, 154, 165, 180, 189, 198, 210, 219, 220, 231, 252, 270, 292, 297, 308, 315, 330, 365, 378, 385, 396, 420, 438, 462, 495, 511, 540, 594, 630, 657, 660, 693, 730, 756, 770, 803, 876, 924, 945, 990, 1022, 1095, 1155, 1188, 1260, 1314, 1386, 1460, 1485, 1533, 1540, 1606, 1890, 1971, 1980, 2044, 2079, 2190, 2310, 2409, 2555, 2628, 2772, 2970, 3066, 3212, 3285, 3465, 3780, 3942, 4015, 4158, 4380, 4599, 4620, 4818, 5110, 5329, 5621, 5940, 6132, 6570, 6930, 7227, 7665, 7884, 8030, 8316, 9198, 9636, 9855, 10220, 10395, 10658, 11242, 12045, 13140, 13797, 13860, 14454, 15330, 15987, 16060, 16863, 18396, 19710, 20790, 21316, 21681, 22484, 22995, 24090, 26645, 27594, 28105, 28908, 30660, 31974, 33726, 36135, 37303, 39420, 41580, 43362, 45990, 47961, 48180, 50589, 53290, 55188, 56210, 58619, 63948, 67452, 68985, 72270, 74606, 79935, 84315, 86724, 91980, 95922, 101178, 106580, 108405, 111909, 112420, 117238, 137970, 143883, 144540, 149212, 151767, 159870, 168630, 175857, 186515, 191844, 202356, 216810, 223818, 234476, 239805, 252945, 275940, 287766, 293095, 303534, 319740, 335727, 337260, 351714, 373030, 410333, 433620, 447636, 479610, 505890, 527571, 559545, 575532, 586190, 607068, 671454, 703428, 719415, 746060, 758835, 820666, 879285, 959220, 1007181, 1011780, 1055142, 1119090, 1172380, 1230999, 1342908, 1438830, 1517670, 1582713, 1641332, 1678635, 1758570, 2014362, 2051665, 2110284, 2238180, 2461998, 2637855, 2877660, 3035340, 3165426, 3357270, 3517140, 3692997, 4028724, 4103330, 4923996, 5035905, 5275710, 6154995, 6330852, 6714540, 7385994, 7913565, 8206660, 10071810, 10551420, 11078991, 12309990, 14771988, 15827130, 18464985, 20143620, 22157982, 24619980, 31654260, 36929970, 44315964, 55394955, 73859940, 110789910, 221579820]

約数ペア:

[(1, 221579820), (2, 110789910), (3, 73859940), (4, 55394955), (5, 44315964), (6, 36929970), (7, 31654260), (9, 24619980), (10, 22157982), (11, 20143620), (12, 18464985), (14, 15827130), (15, 14771988), (18, 12309990), (20, 11078991), (21, 10551420), (22, 10071810), (27, 8206660), (28, 7913565), (30, 7385994), (33, 6714540), (35, 6330852), (36, 6154995), (42, 5275710), (44, 5035905), (45, 4923996), (54, 4103330), (55, 4028724), (60, 3692997), (63, 3517140), (66, 3357270), (70, 3165426), (73, 3035340), (77, 2877660), (84, 2637855), (90, 2461998), (99, 2238180), (105, 2110284), (108, 2051665), (110, 2014362), (126, 1758570), (132, 1678635), (135, 1641332), (140, 1582713), (146, 1517670), (154, 1438830), (165, 1342908), (180, 1230999), (189, 1172380), (198, 1119090), (210, 1055142), (219, 1011780), (220, 1007181), (231, 959220), (252, 879285), (270, 820666), (292, 758835), (297, 746060), (308, 719415), (315, 703428), (330, 671454), (365, 607068), (378, 586190), (385, 575532), (396, 559545), (420, 527571), (438, 505890), (462, 479610), (495, 447636), (511, 433620), (540, 410333), (594, 373030), (630, 351714), (657, 337260), (660, 335727), (693, 319740), (730, 303534), (756, 293095), (770, 287766), (803, 275940), (876, 252945), (924, 239805), (945, 234476), (990, 223818), (1022, 216810), (1095, 202356), (1155, 191844), (1188, 186515), (1260, 175857), (1314, 168630), (1386, 159870), (1460, 151767), (1485, 149212), (1533, 144540), (1540, 143883), (1606, 137970), (1890, 117238), (1971, 112420), (1980, 111909), (2044, 108405), (2079, 106580), (2190, 101178), (2310, 95922), (2409, 91980), (2555, 86724), (2628, 84315), (2772, 79935), (2970, 74606), (3066, 72270), (3212, 68985), (3285, 67452), (3465, 63948), (3780, 58619), (3942, 56210), (4015, 55188), (4158, 53290), (4380, 50589), (4599, 48180), (4620, 47961), (4818, 45990), (5110, 43362), (5329, 41580), (5621, 39420), (5940, 37303), (6132, 36135), (6570, 33726), (6930, 31974), (7227, 30660), (7665, 28908), (7884, 28105), (8030, 27594), (8316, 26645), (9198, 24090), (9636, 22995), (9855, 22484), (10220, 21681), (10395, 21316), (10658, 20790), (11242, 19710), (12045, 18396), (13140, 16863), (13797, 16060), (13860, 15987), (14454, 15330)]