28581840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:186

約数の個数: 240

約数和(自身を含む): 112814208

約数和(自身を除く): 84232368

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 53, 56, 60, 63, 70, 72, 80, 84, 90, 105, 106, 107, 112, 120, 126, 140, 144, 159, 168, 180, 210, 212, 214, 240, 252, 265, 280, 315, 318, 321, 336, 360, 371, 420, 424, 428, 477, 504, 530, 535, 560, 630, 636, 642, 720, 742, 749, 795, 840, 848, 856, 954, 963, 1008, 1060, 1070, 1113, 1260, 1272, 1284, 1484, 1498, 1590, 1605, 1680, 1712, 1855, 1908, 1926, 2120, 2140, 2226, 2247, 2385, 2520, 2544, 2568, 2968, 2996, 3180, 3210, 3339, 3710, 3745, 3816, 3852, 4240, 4280, 4452, 4494, 4770, 4815, 5040, 5136, 5565, 5671, 5936, 5992, 6360, 6420, 6678, 6741, 7420, 7490, 7632, 7704, 8560, 8904, 8988, 9540, 9630, 11130, 11235, 11342, 11984, 12720, 12840, 13356, 13482, 14840, 14980, 15408, 16695, 17013, 17808, 17976, 19080, 19260, 22260, 22470, 22684, 25680, 26712, 26964, 28355, 29680, 29960, 33390, 33705, 34026, 35952, 38160, 38520, 39697, 44520, 44940, 45368, 51039, 53424, 53928, 56710, 59920, 66780, 67410, 68052, 77040, 79394, 85065, 89040, 89880, 90736, 102078, 107856, 113420, 119091, 133560, 134820, 136104, 158788, 170130, 179760, 198485, 204156, 226840, 238182, 255195, 267120, 269640, 272208, 317576, 340260, 357273, 396970, 408312, 453680, 476364, 510390, 539280, 595455, 635152, 680520, 714546, 793940, 816624, 952728, 1020780, 1190910, 1361040, 1429092, 1587880, 1786365, 1905456, 2041560, 2381820, 2858184, 3175760, 3572730, 4083120, 4763640, 5716368, 7145460, 9527280, 14290920, 28581840]

約数ペア:

[(1, 28581840), (2, 14290920), (3, 9527280), (4, 7145460), (5, 5716368), (6, 4763640), (7, 4083120), (8, 3572730), (9, 3175760), (10, 2858184), (12, 2381820), (14, 2041560), (15, 1905456), (16, 1786365), (18, 1587880), (20, 1429092), (21, 1361040), (24, 1190910), (28, 1020780), (30, 952728), (35, 816624), (36, 793940), (40, 714546), (42, 680520), (45, 635152), (48, 595455), (53, 539280), (56, 510390), (60, 476364), (63, 453680), (70, 408312), (72, 396970), (80, 357273), (84, 340260), (90, 317576), (105, 272208), (106, 269640), (107, 267120), (112, 255195), (120, 238182), (126, 226840), (140, 204156), (144, 198485), (159, 179760), (168, 170130), (180, 158788), (210, 136104), (212, 134820), (214, 133560), (240, 119091), (252, 113420), (265, 107856), (280, 102078), (315, 90736), (318, 89880), (321, 89040), (336, 85065), (360, 79394), (371, 77040), (420, 68052), (424, 67410), (428, 66780), (477, 59920), (504, 56710), (530, 53928), (535, 53424), (560, 51039), (630, 45368), (636, 44940), (642, 44520), (720, 39697), (742, 38520), (749, 38160), (795, 35952), (840, 34026), (848, 33705), (856, 33390), (954, 29960), (963, 29680), (1008, 28355), (1060, 26964), (1070, 26712), (1113, 25680), (1260, 22684), (1272, 22470), (1284, 22260), (1484, 19260), (1498, 19080), (1590, 17976), (1605, 17808), (1680, 17013), (1712, 16695), (1855, 15408), (1908, 14980), (1926, 14840), (2120, 13482), (2140, 13356), (2226, 12840), (2247, 12720), (2385, 11984), (2520, 11342), (2544, 11235), (2568, 11130), (2968, 9630), (2996, 9540), (3180, 8988), (3210, 8904), (3339, 8560), (3710, 7704), (3745, 7632), (3816, 7490), (3852, 7420), (4240, 6741), (4280, 6678), (4452, 6420), (4494, 6360), (4770, 5992), (4815, 5936), (5040, 5671), (5136, 5565)]