18262800

素因数分解:

$2^4\times 3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:135

約数の個数: 240

約数和(自身を含む): 69192000

約数和(自身を除く): 50929200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 25, 27, 30, 36, 38, 40, 45, 48, 50, 54, 57, 60, 72, 75, 76, 80, 89, 90, 95, 100, 108, 114, 120, 135, 144, 150, 152, 171, 178, 180, 190, 200, 216, 225, 228, 240, 267, 270, 285, 300, 304, 342, 356, 360, 380, 400, 432, 445, 450, 456, 475, 513, 534, 540, 570, 600, 675, 684, 712, 720, 760, 801, 855, 890, 900, 912, 950, 1026, 1068, 1080, 1140, 1200, 1335, 1350, 1368, 1424, 1425, 1520, 1602, 1691, 1710, 1780, 1800, 1900, 2052, 2136, 2160, 2225, 2280, 2403, 2565, 2670, 2700, 2736, 2850, 3204, 3382, 3420, 3560, 3600, 3800, 4005, 4104, 4272, 4275, 4450, 4560, 4806, 5073, 5130, 5340, 5400, 5700, 6408, 6675, 6764, 6840, 7120, 7600, 8010, 8208, 8455, 8550, 8900, 9612, 10146, 10260, 10680, 10800, 11400, 12015, 12816, 12825, 13350, 13528, 13680, 15219, 16020, 16910, 17100, 17800, 19224, 20025, 20292, 20520, 21360, 22800, 24030, 25365, 25650, 26700, 27056, 30438, 32040, 33820, 34200, 35600, 38448, 40050, 40584, 41040, 42275, 45657, 48060, 50730, 51300, 53400, 60075, 60876, 64080, 67640, 68400, 76095, 80100, 81168, 84550, 91314, 96120, 101460, 102600, 106800, 120150, 121752, 126825, 135280, 152190, 160200, 169100, 182628, 192240, 202920, 205200, 228285, 240300, 243504, 253650, 304380, 320400, 338200, 365256, 380475, 405840, 456570, 480600, 507300, 608760, 676400, 730512, 760950, 913140, 961200, 1014600, 1141425, 1217520, 1521900, 1826280, 2029200, 2282850, 3043800, 3652560, 4565700, 6087600, 9131400, 18262800]

約数ペア:

[(1, 18262800), (2, 9131400), (3, 6087600), (4, 4565700), (5, 3652560), (6, 3043800), (8, 2282850), (9, 2029200), (10, 1826280), (12, 1521900), (15, 1217520), (16, 1141425), (18, 1014600), (19, 961200), (20, 913140), (24, 760950), (25, 730512), (27, 676400), (30, 608760), (36, 507300), (38, 480600), (40, 456570), (45, 405840), (48, 380475), (50, 365256), (54, 338200), (57, 320400), (60, 304380), (72, 253650), (75, 243504), (76, 240300), (80, 228285), (89, 205200), (90, 202920), (95, 192240), (100, 182628), (108, 169100), (114, 160200), (120, 152190), (135, 135280), (144, 126825), (150, 121752), (152, 120150), (171, 106800), (178, 102600), (180, 101460), (190, 96120), (200, 91314), (216, 84550), (225, 81168), (228, 80100), (240, 76095), (267, 68400), (270, 67640), (285, 64080), (300, 60876), (304, 60075), (342, 53400), (356, 51300), (360, 50730), (380, 48060), (400, 45657), (432, 42275), (445, 41040), (450, 40584), (456, 40050), (475, 38448), (513, 35600), (534, 34200), (540, 33820), (570, 32040), (600, 30438), (675, 27056), (684, 26700), (712, 25650), (720, 25365), (760, 24030), (801, 22800), (855, 21360), (890, 20520), (900, 20292), (912, 20025), (950, 19224), (1026, 17800), (1068, 17100), (1080, 16910), (1140, 16020), (1200, 15219), (1335, 13680), (1350, 13528), (1368, 13350), (1424, 12825), (1425, 12816), (1520, 12015), (1602, 11400), (1691, 10800), (1710, 10680), (1780, 10260), (1800, 10146), (1900, 9612), (2052, 8900), (2136, 8550), (2160, 8455), (2225, 8208), (2280, 8010), (2403, 7600), (2565, 7120), (2670, 6840), (2700, 6764), (2736, 6675), (2850, 6408), (3204, 5700), (3382, 5400), (3420, 5340), (3560, 5130), (3600, 5073), (3800, 4806), (4005, 4560), (4104, 4450), (4272, 4275)]