1289216880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13463}}^1$

素因数の和:13508

約数の個数: 240

約数和(自身を含む): 5208952320

約数和(自身を除く): 3919735440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 112, 114, 120, 126, 133, 140, 144, 152, 168, 171, 180, 190, 210, 228, 240, 252, 266, 280, 285, 304, 315, 336, 342, 360, 380, 399, 420, 456, 504, 532, 560, 570, 630, 665, 684, 720, 760, 798, 840, 855, 912, 1008, 1064, 1140, 1197, 1260, 1330, 1368, 1520, 1596, 1680, 1710, 1995, 2128, 2280, 2394, 2520, 2660, 2736, 3192, 3420, 3990, 4560, 4788, 5040, 5320, 5985, 6384, 6840, 7980, 9576, 10640, 11970, 13463, 13680, 15960, 19152, 23940, 26926, 31920, 40389, 47880, 53852, 67315, 80778, 94241, 95760, 107704, 121167, 134630, 161556, 188482, 201945, 215408, 242334, 255797, 269260, 282723, 323112, 376964, 403890, 471205, 484668, 511594, 538520, 565446, 605835, 646224, 753928, 767391, 807780, 848169, 942410, 969336, 1023188, 1077040, 1130892, 1211670, 1278985, 1413615, 1507856, 1534782, 1615560, 1696338, 1790579, 1884820, 1938672, 2046376, 2261784, 2302173, 2423340, 2557970, 2827230, 3069564, 3231120, 3392676, 3581158, 3769640, 3836955, 4092752, 4240845, 4523568, 4604346, 4846680, 5115940, 5371737, 5654460, 6139128, 6785352, 7162316, 7539280, 7673910, 8481690, 8952895, 9208692, 9693360, 10231880, 10743474, 11308920, 11510865, 12278256, 13570704, 14324632, 15347820, 16115211, 16963380, 17905790, 18417384, 20463760, 21486948, 22617840, 23021730, 26858685, 28649264, 30695640, 32230422, 33926760, 35811580, 36834768, 42973896, 46043460, 53717370, 61391280, 64460844, 67853520, 71623160, 80576055, 85947792, 92086920, 107434740, 128921688, 143246320, 161152110, 184173840, 214869480, 257843376, 322304220, 429738960, 644608440, 1289216880]

約数ペア:

[(1, 1289216880), (2, 644608440), (3, 429738960), (4, 322304220), (5, 257843376), (6, 214869480), (7, 184173840), (8, 161152110), (9, 143246320), (10, 128921688), (12, 107434740), (14, 92086920), (15, 85947792), (16, 80576055), (18, 71623160), (19, 67853520), (20, 64460844), (21, 61391280), (24, 53717370), (28, 46043460), (30, 42973896), (35, 36834768), (36, 35811580), (38, 33926760), (40, 32230422), (42, 30695640), (45, 28649264), (48, 26858685), (56, 23021730), (57, 22617840), (60, 21486948), (63, 20463760), (70, 18417384), (72, 17905790), (76, 16963380), (80, 16115211), (84, 15347820), (90, 14324632), (95, 13570704), (105, 12278256), (112, 11510865), (114, 11308920), (120, 10743474), (126, 10231880), (133, 9693360), (140, 9208692), (144, 8952895), (152, 8481690), (168, 7673910), (171, 7539280), (180, 7162316), (190, 6785352), (210, 6139128), (228, 5654460), (240, 5371737), (252, 5115940), (266, 4846680), (280, 4604346), (285, 4523568), (304, 4240845), (315, 4092752), (336, 3836955), (342, 3769640), (360, 3581158), (380, 3392676), (399, 3231120), (420, 3069564), (456, 2827230), (504, 2557970), (532, 2423340), (560, 2302173), (570, 2261784), (630, 2046376), (665, 1938672), (684, 1884820), (720, 1790579), (760, 1696338), (798, 1615560), (840, 1534782), (855, 1507856), (912, 1413615), (1008, 1278985), (1064, 1211670), (1140, 1130892), (1197, 1077040), (1260, 1023188), (1330, 969336), (1368, 942410), (1520, 848169), (1596, 807780), (1680, 767391), (1710, 753928), (1995, 646224), (2128, 605835), (2280, 565446), (2394, 538520), (2520, 511594), (2660, 484668), (2736, 471205), (3192, 403890), (3420, 376964), (3990, 323112), (4560, 282723), (4788, 269260), (5040, 255797), (5320, 242334), (5985, 215408), (6384, 201945), (6840, 188482), (7980, 161556), (9576, 134630), (10640, 121167), (11970, 107704), (13463, 95760), (13680, 94241), (15960, 80778), (19152, 67315), (23940, 53852), (26926, 47880), (31920, 40389)]