81240390

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1$

素因数の和:667

約数の個数: 192

約数和(自身を含む): 277655040

約数和(自身を除く): 196414650

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 19, 21, 22, 30, 33, 35, 38, 42, 45, 55, 57, 63, 66, 70, 77, 90, 95, 99, 105, 110, 114, 126, 133, 154, 165, 171, 190, 198, 209, 210, 231, 266, 285, 315, 330, 342, 385, 399, 418, 462, 495, 570, 617, 627, 630, 665, 693, 770, 798, 855, 990, 1045, 1155, 1197, 1234, 1254, 1330, 1386, 1463, 1710, 1851, 1881, 1995, 2090, 2310, 2394, 2926, 3085, 3135, 3465, 3702, 3762, 3990, 4319, 4389, 5553, 5985, 6170, 6270, 6787, 6930, 7315, 8638, 8778, 9255, 9405, 11106, 11723, 11970, 12957, 13167, 13574, 14630, 18510, 18810, 20361, 21595, 21945, 23446, 25914, 26334, 27765, 33935, 35169, 38871, 40722, 43190, 43890, 47509, 55530, 58615, 61083, 64785, 65835, 67870, 70338, 77742, 82061, 95018, 101805, 105507, 117230, 122166, 128953, 129570, 131670, 142527, 164122, 175845, 194355, 203610, 211014, 237545, 246183, 257906, 285054, 305415, 351690, 386859, 388710, 410305, 427581, 475090, 492366, 527535, 610830, 644765, 712635, 738549, 773718, 820610, 855162, 902671, 1055070, 1160577, 1230915, 1289530, 1425270, 1477098, 1805342, 1934295, 2137905, 2321154, 2461830, 2708013, 3692745, 3868590, 4275810, 4513355, 5416026, 5802885, 7385490, 8124039, 9026710, 11605770, 13540065, 16248078, 27080130, 40620195, 81240390]

約数ペア:

[(1, 81240390), (2, 40620195), (3, 27080130), (5, 16248078), (6, 13540065), (7, 11605770), (9, 9026710), (10, 8124039), (11, 7385490), (14, 5802885), (15, 5416026), (18, 4513355), (19, 4275810), (21, 3868590), (22, 3692745), (30, 2708013), (33, 2461830), (35, 2321154), (38, 2137905), (42, 1934295), (45, 1805342), (55, 1477098), (57, 1425270), (63, 1289530), (66, 1230915), (70, 1160577), (77, 1055070), (90, 902671), (95, 855162), (99, 820610), (105, 773718), (110, 738549), (114, 712635), (126, 644765), (133, 610830), (154, 527535), (165, 492366), (171, 475090), (190, 427581), (198, 410305), (209, 388710), (210, 386859), (231, 351690), (266, 305415), (285, 285054), (315, 257906), (330, 246183), (342, 237545), (385, 211014), (399, 203610), (418, 194355), (462, 175845), (495, 164122), (570, 142527), (617, 131670), (627, 129570), (630, 128953), (665, 122166), (693, 117230), (770, 105507), (798, 101805), (855, 95018), (990, 82061), (1045, 77742), (1155, 70338), (1197, 67870), (1234, 65835), (1254, 64785), (1330, 61083), (1386, 58615), (1463, 55530), (1710, 47509), (1851, 43890), (1881, 43190), (1995, 40722), (2090, 38871), (2310, 35169), (2394, 33935), (2926, 27765), (3085, 26334), (3135, 25914), (3465, 23446), (3702, 21945), (3762, 21595), (3990, 20361), (4319, 18810), (4389, 18510), (5553, 14630), (5985, 13574), (6170, 13167), (6270, 12957), (6787, 11970), (6930, 11723), (7315, 11106), (8638, 9405), (8778, 9255)]