64400400

素因数分解:

$2^4\times 3^3\times 5^2\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:183

約数の個数: 240

約数和(自身を含む): 235252800

約数和(自身を除く): 170852400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 36, 40, 45, 48, 50, 54, 60, 67, 72, 75, 80, 89, 90, 100, 108, 120, 134, 135, 144, 150, 178, 180, 200, 201, 216, 225, 240, 267, 268, 270, 300, 335, 356, 360, 400, 402, 432, 445, 450, 534, 536, 540, 600, 603, 670, 675, 712, 720, 801, 804, 890, 900, 1005, 1068, 1072, 1080, 1200, 1206, 1335, 1340, 1350, 1424, 1602, 1608, 1675, 1780, 1800, 1809, 2010, 2136, 2160, 2225, 2403, 2412, 2670, 2680, 2700, 3015, 3204, 3216, 3350, 3560, 3600, 3618, 4005, 4020, 4272, 4450, 4806, 4824, 5025, 5340, 5360, 5400, 5963, 6030, 6408, 6675, 6700, 7120, 7236, 8010, 8040, 8900, 9045, 9612, 9648, 10050, 10680, 10800, 11926, 12015, 12060, 12816, 13350, 13400, 14472, 15075, 16020, 16080, 17800, 17889, 18090, 19224, 20025, 20100, 21360, 23852, 24030, 24120, 26700, 26800, 28944, 29815, 30150, 32040, 35600, 35778, 36180, 38448, 40050, 40200, 45225, 47704, 48060, 48240, 53400, 53667, 59630, 60075, 60300, 64080, 71556, 72360, 80100, 80400, 89445, 90450, 95408, 96120, 106800, 107334, 119260, 120150, 120600, 143112, 144720, 149075, 160200, 161001, 178890, 180900, 192240, 214668, 238520, 240300, 241200, 268335, 286224, 298150, 320400, 322002, 357780, 361800, 429336, 447225, 477040, 480600, 536670, 596300, 644004, 715560, 723600, 805005, 858672, 894450, 961200, 1073340, 1192600, 1288008, 1341675, 1431120, 1610010, 1788900, 2146680, 2385200, 2576016, 2683350, 3220020, 3577800, 4025025, 4293360, 5366700, 6440040, 7155600, 8050050, 10733400, 12880080, 16100100, 21466800, 32200200, 64400400]

約数ペア:

[(1, 64400400), (2, 32200200), (3, 21466800), (4, 16100100), (5, 12880080), (6, 10733400), (8, 8050050), (9, 7155600), (10, 6440040), (12, 5366700), (15, 4293360), (16, 4025025), (18, 3577800), (20, 3220020), (24, 2683350), (25, 2576016), (27, 2385200), (30, 2146680), (36, 1788900), (40, 1610010), (45, 1431120), (48, 1341675), (50, 1288008), (54, 1192600), (60, 1073340), (67, 961200), (72, 894450), (75, 858672), (80, 805005), (89, 723600), (90, 715560), (100, 644004), (108, 596300), (120, 536670), (134, 480600), (135, 477040), (144, 447225), (150, 429336), (178, 361800), (180, 357780), (200, 322002), (201, 320400), (216, 298150), (225, 286224), (240, 268335), (267, 241200), (268, 240300), (270, 238520), (300, 214668), (335, 192240), (356, 180900), (360, 178890), (400, 161001), (402, 160200), (432, 149075), (445, 144720), (450, 143112), (534, 120600), (536, 120150), (540, 119260), (600, 107334), (603, 106800), (670, 96120), (675, 95408), (712, 90450), (720, 89445), (801, 80400), (804, 80100), (890, 72360), (900, 71556), (1005, 64080), (1068, 60300), (1072, 60075), (1080, 59630), (1200, 53667), (1206, 53400), (1335, 48240), (1340, 48060), (1350, 47704), (1424, 45225), (1602, 40200), (1608, 40050), (1675, 38448), (1780, 36180), (1800, 35778), (1809, 35600), (2010, 32040), (2136, 30150), (2160, 29815), (2225, 28944), (2403, 26800), (2412, 26700), (2670, 24120), (2680, 24030), (2700, 23852), (3015, 21360), (3204, 20100), (3216, 20025), (3350, 19224), (3560, 18090), (3600, 17889), (3618, 17800), (4005, 16080), (4020, 16020), (4272, 15075), (4450, 14472), (4806, 13400), (4824, 13350), (5025, 12816), (5340, 12060), (5360, 12015), (5400, 11926), (5963, 10800), (6030, 10680), (6408, 10050), (6675, 9648), (6700, 9612), (7120, 9045), (7236, 8900), (8010, 8040)]