255326940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{617}}^1$

素因数の和:673

約数の個数: 216

約数和(自身を含む): 897558480

約数和(自身を除く): 642231540

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, 617, 627, 660, 684, 726, 836, 855, 990, 1045, 1089, 1140, 1210, 1234, 1254, 1452, 1710, 1815, 1851, 1881, 1980, 2090, 2178, 2299, 2420, 2468, 2508, 3085, 3135, 3420, 3630, 3702, 3762, 4180, 4356, 4598, 5445, 5553, 6170, 6270, 6787, 6897, 7260, 7404, 7524, 9196, 9255, 9405, 10890, 11106, 11495, 11723, 12340, 12540, 13574, 13794, 18510, 18810, 20361, 20691, 21780, 22212, 22990, 23446, 27148, 27588, 27765, 33935, 34485, 35169, 37020, 37620, 40722, 41382, 45980, 46892, 55530, 58615, 61083, 67870, 68970, 70338, 74657, 81444, 82764, 101805, 103455, 105507, 111060, 117230, 122166, 128953, 135740, 137940, 140676, 149314, 175845, 203610, 206910, 211014, 223971, 234460, 244332, 257906, 298628, 305415, 351690, 373285, 386859, 407220, 413820, 422028, 447942, 515812, 527535, 610830, 644765, 671913, 703380, 746570, 773718, 895884, 1055070, 1119855, 1160577, 1221660, 1289530, 1343826, 1418483, 1493140, 1547436, 1934295, 2110140, 2239710, 2321154, 2579060, 2687652, 2836966, 3359565, 3868590, 4255449, 4479420, 4642308, 5673932, 5802885, 6719130, 7092415, 7737180, 8510898, 11605770, 12766347, 13438260, 14184830, 17021796, 21277245, 23211540, 25532694, 28369660, 42554490, 51065388, 63831735, 85108980, 127663470, 255326940]

約数ペア:

[(1, 255326940), (2, 127663470), (3, 85108980), (4, 63831735), (5, 51065388), (6, 42554490), (9, 28369660), (10, 25532694), (11, 23211540), (12, 21277245), (15, 17021796), (18, 14184830), (19, 13438260), (20, 12766347), (22, 11605770), (30, 8510898), (33, 7737180), (36, 7092415), (38, 6719130), (44, 5802885), (45, 5673932), (55, 4642308), (57, 4479420), (60, 4255449), (66, 3868590), (76, 3359565), (90, 2836966), (95, 2687652), (99, 2579060), (110, 2321154), (114, 2239710), (121, 2110140), (132, 1934295), (165, 1547436), (171, 1493140), (180, 1418483), (190, 1343826), (198, 1289530), (209, 1221660), (220, 1160577), (228, 1119855), (242, 1055070), (285, 895884), (330, 773718), (342, 746570), (363, 703380), (380, 671913), (396, 644765), (418, 610830), (484, 527535), (495, 515812), (570, 447942), (605, 422028), (617, 413820), (627, 407220), (660, 386859), (684, 373285), (726, 351690), (836, 305415), (855, 298628), (990, 257906), (1045, 244332), (1089, 234460), (1140, 223971), (1210, 211014), (1234, 206910), (1254, 203610), (1452, 175845), (1710, 149314), (1815, 140676), (1851, 137940), (1881, 135740), (1980, 128953), (2090, 122166), (2178, 117230), (2299, 111060), (2420, 105507), (2468, 103455), (2508, 101805), (3085, 82764), (3135, 81444), (3420, 74657), (3630, 70338), (3702, 68970), (3762, 67870), (4180, 61083), (4356, 58615), (4598, 55530), (5445, 46892), (5553, 45980), (6170, 41382), (6270, 40722), (6787, 37620), (6897, 37020), (7260, 35169), (7404, 34485), (7524, 33935), (9196, 27765), (9255, 27588), (9405, 27148), (10890, 23446), (11106, 22990), (11495, 22212), (11723, 21780), (12340, 20691), (12540, 20361), (13574, 18810), (13794, 18510)]