281872980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{331}}^1$

素因数の和:451

約数の個数: 192

約数和(自身を含む): 937036800

約数和(自身を除く): 655163820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 83, 90, 95, 108, 114, 135, 166, 171, 180, 190, 228, 249, 270, 285, 331, 332, 342, 380, 415, 498, 513, 540, 570, 662, 684, 747, 830, 855, 993, 996, 1026, 1140, 1245, 1324, 1494, 1577, 1655, 1660, 1710, 1986, 2052, 2241, 2490, 2565, 2979, 2988, 3154, 3310, 3420, 3735, 3972, 4482, 4731, 4965, 4980, 5130, 5958, 6289, 6308, 6620, 7470, 7885, 8937, 8964, 9462, 9930, 10260, 11205, 11916, 12578, 14193, 14895, 14940, 15770, 17874, 18867, 18924, 19860, 22410, 23655, 25156, 27473, 28386, 29790, 31445, 31540, 35748, 37734, 42579, 44685, 44820, 47310, 54946, 56601, 56772, 59580, 62890, 70965, 75468, 82419, 85158, 89370, 94335, 94620, 109892, 113202, 125780, 137365, 141930, 164838, 169803, 170316, 178740, 188670, 212895, 226404, 247257, 274730, 283005, 283860, 329676, 339606, 377340, 412095, 425790, 494514, 521987, 549460, 566010, 679212, 741771, 824190, 849015, 851580, 989028, 1043974, 1132020, 1236285, 1483542, 1565961, 1648380, 1698030, 2087948, 2472570, 2609935, 2967084, 3131922, 3396060, 3708855, 4697883, 4945140, 5219870, 6263844, 7417710, 7829805, 9395766, 10439740, 14093649, 14835420, 15659610, 18791532, 23489415, 28187298, 31319220, 46978830, 56374596, 70468245, 93957660, 140936490, 281872980]

約数ペア:

[(1, 281872980), (2, 140936490), (3, 93957660), (4, 70468245), (5, 56374596), (6, 46978830), (9, 31319220), (10, 28187298), (12, 23489415), (15, 18791532), (18, 15659610), (19, 14835420), (20, 14093649), (27, 10439740), (30, 9395766), (36, 7829805), (38, 7417710), (45, 6263844), (54, 5219870), (57, 4945140), (60, 4697883), (76, 3708855), (83, 3396060), (90, 3131922), (95, 2967084), (108, 2609935), (114, 2472570), (135, 2087948), (166, 1698030), (171, 1648380), (180, 1565961), (190, 1483542), (228, 1236285), (249, 1132020), (270, 1043974), (285, 989028), (331, 851580), (332, 849015), (342, 824190), (380, 741771), (415, 679212), (498, 566010), (513, 549460), (540, 521987), (570, 494514), (662, 425790), (684, 412095), (747, 377340), (830, 339606), (855, 329676), (993, 283860), (996, 283005), (1026, 274730), (1140, 247257), (1245, 226404), (1324, 212895), (1494, 188670), (1577, 178740), (1655, 170316), (1660, 169803), (1710, 164838), (1986, 141930), (2052, 137365), (2241, 125780), (2490, 113202), (2565, 109892), (2979, 94620), (2988, 94335), (3154, 89370), (3310, 85158), (3420, 82419), (3735, 75468), (3972, 70965), (4482, 62890), (4731, 59580), (4965, 56772), (4980, 56601), (5130, 54946), (5958, 47310), (6289, 44820), (6308, 44685), (6620, 42579), (7470, 37734), (7885, 35748), (8937, 31540), (8964, 31445), (9462, 29790), (9930, 28386), (10260, 27473), (11205, 25156), (11916, 23655), (12578, 22410), (14193, 19860), (14895, 18924), (14940, 18867), (15770, 17874)]