81940800

素因数分解:

$2^6\times 3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:465

約数の個数: 168

約数和(自身を含む): 275778976

約数和(自身を除く): 193838176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 43, 48, 50, 60, 64, 75, 80, 86, 96, 100, 120, 129, 150, 160, 172, 192, 200, 215, 240, 258, 300, 320, 344, 397, 400, 430, 480, 516, 600, 645, 688, 794, 800, 860, 960, 1032, 1075, 1191, 1200, 1290, 1376, 1588, 1600, 1720, 1985, 2064, 2150, 2382, 2400, 2580, 2752, 3176, 3225, 3440, 3970, 4128, 4300, 4764, 4800, 5160, 5955, 6352, 6450, 6880, 7940, 8256, 8600, 9528, 9925, 10320, 11910, 12704, 12900, 13760, 15880, 17071, 17200, 19056, 19850, 20640, 23820, 25408, 25800, 29775, 31760, 34142, 34400, 38112, 39700, 41280, 47640, 51213, 51600, 59550, 63520, 68284, 68800, 76224, 79400, 85355, 95280, 102426, 103200, 119100, 127040, 136568, 158800, 170710, 190560, 204852, 206400, 238200, 256065, 273136, 317600, 341420, 381120, 409704, 426775, 476400, 512130, 546272, 635200, 682840, 819408, 853550, 952800, 1024260, 1092544, 1280325, 1365680, 1638816, 1707100, 1905600, 2048520, 2560650, 2731360, 3277632, 3414200, 4097040, 5121300, 5462720, 6828400, 8194080, 10242600, 13656800, 16388160, 20485200, 27313600, 40970400, 81940800]

約数ペア:

[(1, 81940800), (2, 40970400), (3, 27313600), (4, 20485200), (5, 16388160), (6, 13656800), (8, 10242600), (10, 8194080), (12, 6828400), (15, 5462720), (16, 5121300), (20, 4097040), (24, 3414200), (25, 3277632), (30, 2731360), (32, 2560650), (40, 2048520), (43, 1905600), (48, 1707100), (50, 1638816), (60, 1365680), (64, 1280325), (75, 1092544), (80, 1024260), (86, 952800), (96, 853550), (100, 819408), (120, 682840), (129, 635200), (150, 546272), (160, 512130), (172, 476400), (192, 426775), (200, 409704), (215, 381120), (240, 341420), (258, 317600), (300, 273136), (320, 256065), (344, 238200), (397, 206400), (400, 204852), (430, 190560), (480, 170710), (516, 158800), (600, 136568), (645, 127040), (688, 119100), (794, 103200), (800, 102426), (860, 95280), (960, 85355), (1032, 79400), (1075, 76224), (1191, 68800), (1200, 68284), (1290, 63520), (1376, 59550), (1588, 51600), (1600, 51213), (1720, 47640), (1985, 41280), (2064, 39700), (2150, 38112), (2382, 34400), (2400, 34142), (2580, 31760), (2752, 29775), (3176, 25800), (3225, 25408), (3440, 23820), (3970, 20640), (4128, 19850), (4300, 19056), (4764, 17200), (4800, 17071), (5160, 15880), (5955, 13760), (6352, 12900), (6450, 12704), (6880, 11910), (7940, 10320), (8256, 9925), (8600, 9528)]