225228640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:565

約数の個数: 192

約数和(自身を含む): 677376000

約数和(自身を除く): 452147360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 160, 182, 208, 217, 224, 248, 260, 280, 310, 364, 403, 416, 434, 455, 496, 499, 520, 560, 620, 728, 806, 868, 910, 992, 998, 1040, 1085, 1120, 1240, 1456, 1612, 1736, 1820, 1996, 2015, 2080, 2170, 2480, 2495, 2821, 2912, 3224, 3472, 3493, 3640, 3992, 4030, 4340, 4960, 4990, 5642, 6448, 6487, 6944, 6986, 7280, 7984, 8060, 8680, 9980, 11284, 12896, 12974, 13972, 14105, 14560, 15469, 15968, 16120, 17360, 17465, 19960, 22568, 25948, 27944, 28210, 30938, 32240, 32435, 34720, 34930, 39920, 45136, 45409, 51896, 55888, 56420, 61876, 64480, 64870, 69860, 77345, 79840, 90272, 90818, 103792, 108283, 111776, 112840, 123752, 129740, 139720, 154690, 181636, 201097, 207584, 216566, 225680, 227045, 247504, 259480, 279440, 309380, 363272, 402194, 433132, 451360, 454090, 495008, 518960, 541415, 558880, 618760, 726544, 804388, 866264, 908180, 1005485, 1037920, 1082830, 1237520, 1407679, 1453088, 1608776, 1732528, 1816360, 2010970, 2165660, 2475040, 2815358, 3217552, 3465056, 3632720, 4021940, 4331320, 5630716, 6435104, 7038395, 7265440, 8043880, 8662640, 11261432, 14076790, 16087760, 17325280, 22522864, 28153580, 32175520, 45045728, 56307160, 112614320, 225228640]

約数ペア:

[(1, 225228640), (2, 112614320), (4, 56307160), (5, 45045728), (7, 32175520), (8, 28153580), (10, 22522864), (13, 17325280), (14, 16087760), (16, 14076790), (20, 11261432), (26, 8662640), (28, 8043880), (31, 7265440), (32, 7038395), (35, 6435104), (40, 5630716), (52, 4331320), (56, 4021940), (62, 3632720), (65, 3465056), (70, 3217552), (80, 2815358), (91, 2475040), (104, 2165660), (112, 2010970), (124, 1816360), (130, 1732528), (140, 1608776), (155, 1453088), (160, 1407679), (182, 1237520), (208, 1082830), (217, 1037920), (224, 1005485), (248, 908180), (260, 866264), (280, 804388), (310, 726544), (364, 618760), (403, 558880), (416, 541415), (434, 518960), (455, 495008), (496, 454090), (499, 451360), (520, 433132), (560, 402194), (620, 363272), (728, 309380), (806, 279440), (868, 259480), (910, 247504), (992, 227045), (998, 225680), (1040, 216566), (1085, 207584), (1120, 201097), (1240, 181636), (1456, 154690), (1612, 139720), (1736, 129740), (1820, 123752), (1996, 112840), (2015, 111776), (2080, 108283), (2170, 103792), (2480, 90818), (2495, 90272), (2821, 79840), (2912, 77345), (3224, 69860), (3472, 64870), (3493, 64480), (3640, 61876), (3992, 56420), (4030, 55888), (4340, 51896), (4960, 45409), (4990, 45136), (5642, 39920), (6448, 34930), (6487, 34720), (6944, 32435), (6986, 32240), (7280, 30938), (7984, 28210), (8060, 27944), (8680, 25948), (9980, 22568), (11284, 19960), (12896, 17465), (12974, 17360), (13972, 16120), (14105, 15968), (14560, 15469)]