256154580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{619}}^1$

素因数の和:675

約数の個数: 216

約数和(自身を含む): 900463200

約数和(自身を除く): 644308620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 55, 57, 60, 66, 76, 90, 95, 99, 110, 114, 121, 132, 165, 171, 180, 190, 198, 209, 220, 228, 242, 285, 330, 342, 363, 380, 396, 418, 484, 495, 570, 605, 619, 627, 660, 684, 726, 836, 855, 990, 1045, 1089, 1140, 1210, 1238, 1254, 1452, 1710, 1815, 1857, 1881, 1980, 2090, 2178, 2299, 2420, 2476, 2508, 3095, 3135, 3420, 3630, 3714, 3762, 4180, 4356, 4598, 5445, 5571, 6190, 6270, 6809, 6897, 7260, 7428, 7524, 9196, 9285, 9405, 10890, 11142, 11495, 11761, 12380, 12540, 13618, 13794, 18570, 18810, 20427, 20691, 21780, 22284, 22990, 23522, 27236, 27588, 27855, 34045, 34485, 35283, 37140, 37620, 40854, 41382, 45980, 47044, 55710, 58805, 61281, 68090, 68970, 70566, 74899, 81708, 82764, 102135, 103455, 105849, 111420, 117610, 122562, 129371, 136180, 137940, 141132, 149798, 176415, 204270, 206910, 211698, 224697, 235220, 245124, 258742, 299596, 306405, 352830, 374495, 388113, 408540, 413820, 423396, 449394, 517484, 529245, 612810, 646855, 674091, 705660, 748990, 776226, 898788, 1058490, 1123485, 1164339, 1225620, 1293710, 1348182, 1423081, 1497980, 1552452, 1940565, 2116980, 2246970, 2328678, 2587420, 2696364, 2846162, 3370455, 3881130, 4269243, 4493940, 4657356, 5692324, 5821695, 6740910, 7115405, 7762260, 8538486, 11643390, 12807729, 13481820, 14230810, 17076972, 21346215, 23286780, 25615458, 28461620, 42692430, 51230916, 64038645, 85384860, 128077290, 256154580]

約数ペア:

[(1, 256154580), (2, 128077290), (3, 85384860), (4, 64038645), (5, 51230916), (6, 42692430), (9, 28461620), (10, 25615458), (11, 23286780), (12, 21346215), (15, 17076972), (18, 14230810), (19, 13481820), (20, 12807729), (22, 11643390), (30, 8538486), (33, 7762260), (36, 7115405), (38, 6740910), (44, 5821695), (45, 5692324), (55, 4657356), (57, 4493940), (60, 4269243), (66, 3881130), (76, 3370455), (90, 2846162), (95, 2696364), (99, 2587420), (110, 2328678), (114, 2246970), (121, 2116980), (132, 1940565), (165, 1552452), (171, 1497980), (180, 1423081), (190, 1348182), (198, 1293710), (209, 1225620), (220, 1164339), (228, 1123485), (242, 1058490), (285, 898788), (330, 776226), (342, 748990), (363, 705660), (380, 674091), (396, 646855), (418, 612810), (484, 529245), (495, 517484), (570, 449394), (605, 423396), (619, 413820), (627, 408540), (660, 388113), (684, 374495), (726, 352830), (836, 306405), (855, 299596), (990, 258742), (1045, 245124), (1089, 235220), (1140, 224697), (1210, 211698), (1238, 206910), (1254, 204270), (1452, 176415), (1710, 149798), (1815, 141132), (1857, 137940), (1881, 136180), (1980, 129371), (2090, 122562), (2178, 117610), (2299, 111420), (2420, 105849), (2476, 103455), (2508, 102135), (3095, 82764), (3135, 81708), (3420, 74899), (3630, 70566), (3714, 68970), (3762, 68090), (4180, 61281), (4356, 58805), (4598, 55710), (5445, 47044), (5571, 45980), (6190, 41382), (6270, 40854), (6809, 37620), (6897, 37140), (7260, 35283), (7428, 34485), (7524, 34045), (9196, 27855), (9285, 27588), (9405, 27236), (10890, 23522), (11142, 22990), (11495, 22284), (11761, 21780), (12380, 20691), (12540, 20427), (13618, 18810), (13794, 18570)]