64720800

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:216

約数の個数: 216

約数和(自身を含む): 233071020

約数和(自身を除く): 168350220

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 72, 75, 80, 89, 90, 96, 100, 101, 120, 144, 150, 160, 178, 180, 200, 202, 225, 240, 267, 288, 300, 303, 356, 360, 400, 404, 445, 450, 480, 505, 534, 600, 606, 712, 720, 800, 801, 808, 890, 900, 909, 1010, 1068, 1200, 1212, 1335, 1424, 1440, 1515, 1602, 1616, 1780, 1800, 1818, 2020, 2136, 2225, 2400, 2424, 2525, 2670, 2848, 3030, 3204, 3232, 3560, 3600, 3636, 4005, 4040, 4272, 4450, 4545, 4848, 5050, 5340, 6060, 6408, 6675, 7120, 7200, 7272, 7575, 8010, 8080, 8544, 8900, 8989, 9090, 9696, 10100, 10680, 12120, 12816, 13350, 14240, 14544, 15150, 16020, 16160, 17800, 17978, 18180, 20025, 20200, 21360, 22725, 24240, 25632, 26700, 26967, 29088, 30300, 32040, 35600, 35956, 36360, 40050, 40400, 42720, 44945, 45450, 48480, 53400, 53934, 60600, 64080, 71200, 71912, 72720, 80100, 80800, 80901, 89890, 90900, 106800, 107868, 121200, 128160, 134835, 143824, 145440, 160200, 161802, 179780, 181800, 213600, 215736, 224725, 242400, 269670, 287648, 320400, 323604, 359560, 363600, 404505, 431472, 449450, 539340, 640800, 647208, 674175, 719120, 727200, 809010, 862944, 898900, 1078680, 1294416, 1348350, 1438240, 1618020, 1797800, 2022525, 2157360, 2588832, 2696700, 3236040, 3595600, 4045050, 4314720, 5393400, 6472080, 7191200, 8090100, 10786800, 12944160, 16180200, 21573600, 32360400, 64720800]

約数ペア:

[(1, 64720800), (2, 32360400), (3, 21573600), (4, 16180200), (5, 12944160), (6, 10786800), (8, 8090100), (9, 7191200), (10, 6472080), (12, 5393400), (15, 4314720), (16, 4045050), (18, 3595600), (20, 3236040), (24, 2696700), (25, 2588832), (30, 2157360), (32, 2022525), (36, 1797800), (40, 1618020), (45, 1438240), (48, 1348350), (50, 1294416), (60, 1078680), (72, 898900), (75, 862944), (80, 809010), (89, 727200), (90, 719120), (96, 674175), (100, 647208), (101, 640800), (120, 539340), (144, 449450), (150, 431472), (160, 404505), (178, 363600), (180, 359560), (200, 323604), (202, 320400), (225, 287648), (240, 269670), (267, 242400), (288, 224725), (300, 215736), (303, 213600), (356, 181800), (360, 179780), (400, 161802), (404, 160200), (445, 145440), (450, 143824), (480, 134835), (505, 128160), (534, 121200), (600, 107868), (606, 106800), (712, 90900), (720, 89890), (800, 80901), (801, 80800), (808, 80100), (890, 72720), (900, 71912), (909, 71200), (1010, 64080), (1068, 60600), (1200, 53934), (1212, 53400), (1335, 48480), (1424, 45450), (1440, 44945), (1515, 42720), (1602, 40400), (1616, 40050), (1780, 36360), (1800, 35956), (1818, 35600), (2020, 32040), (2136, 30300), (2225, 29088), (2400, 26967), (2424, 26700), (2525, 25632), (2670, 24240), (2848, 22725), (3030, 21360), (3204, 20200), (3232, 20025), (3560, 18180), (3600, 17978), (3636, 17800), (4005, 16160), (4040, 16020), (4272, 15150), (4450, 14544), (4545, 14240), (4848, 13350), (5050, 12816), (5340, 12120), (6060, 10680), (6408, 10100), (6675, 9696), (7120, 9090), (7200, 8989), (7272, 8900), (7575, 8544), (8010, 8080)]