217881360

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5309}}^1$

素因数の和:5350

約数の個数: 160

約数和(自身を含む): 790128000

約数和(自身を除く): 572246640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 108, 114, 120, 135, 144, 152, 171, 180, 190, 216, 228, 240, 270, 285, 304, 342, 360, 380, 432, 456, 513, 540, 570, 684, 720, 760, 855, 912, 1026, 1080, 1140, 1368, 1520, 1710, 2052, 2160, 2280, 2565, 2736, 3420, 4104, 4560, 5130, 5309, 6840, 8208, 10260, 10618, 13680, 15927, 20520, 21236, 26545, 31854, 41040, 42472, 47781, 53090, 63708, 79635, 84944, 95562, 100871, 106180, 127416, 143343, 159270, 191124, 201742, 212360, 238905, 254832, 286686, 302613, 318540, 382248, 403484, 424720, 477810, 504355, 573372, 605226, 637080, 716715, 764496, 806968, 907839, 955620, 1008710, 1146744, 1210452, 1274160, 1433430, 1513065, 1613936, 1815678, 1911240, 2017420, 2293488, 2420904, 2723517, 2866860, 3026130, 3631356, 3822480, 4034840, 4539195, 4841808, 5447034, 5733720, 6052260, 7262712, 8069680, 9078390, 10894068, 11467440, 12104520, 13617585, 14525424, 18156780, 21788136, 24209040, 27235170, 36313560, 43576272, 54470340, 72627120, 108940680, 217881360]

約数ペア:

[(1, 217881360), (2, 108940680), (3, 72627120), (4, 54470340), (5, 43576272), (6, 36313560), (8, 27235170), (9, 24209040), (10, 21788136), (12, 18156780), (15, 14525424), (16, 13617585), (18, 12104520), (19, 11467440), (20, 10894068), (24, 9078390), (27, 8069680), (30, 7262712), (36, 6052260), (38, 5733720), (40, 5447034), (45, 4841808), (48, 4539195), (54, 4034840), (57, 3822480), (60, 3631356), (72, 3026130), (76, 2866860), (80, 2723517), (90, 2420904), (95, 2293488), (108, 2017420), (114, 1911240), (120, 1815678), (135, 1613936), (144, 1513065), (152, 1433430), (171, 1274160), (180, 1210452), (190, 1146744), (216, 1008710), (228, 955620), (240, 907839), (270, 806968), (285, 764496), (304, 716715), (342, 637080), (360, 605226), (380, 573372), (432, 504355), (456, 477810), (513, 424720), (540, 403484), (570, 382248), (684, 318540), (720, 302613), (760, 286686), (855, 254832), (912, 238905), (1026, 212360), (1080, 201742), (1140, 191124), (1368, 159270), (1520, 143343), (1710, 127416), (2052, 106180), (2160, 100871), (2280, 95562), (2565, 84944), (2736, 79635), (3420, 63708), (4104, 53090), (4560, 47781), (5130, 42472), (5309, 41040), (6840, 31854), (8208, 26545), (10260, 21236), (10618, 20520), (13680, 15927)]