21818661780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{1487}}^1$

素因数の和:1790

約数の個数: 192

約数和(自身を含む): 65715793920

約数和(自身を除く): 43897132140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 61, 76, 95, 114, 122, 183, 190, 211, 228, 244, 285, 305, 366, 380, 422, 570, 610, 633, 732, 844, 915, 1055, 1140, 1159, 1220, 1266, 1487, 1830, 2110, 2318, 2532, 2974, 3165, 3477, 3660, 4009, 4220, 4461, 4636, 5795, 5948, 6330, 6954, 7435, 8018, 8922, 11590, 12027, 12660, 12871, 13908, 14870, 16036, 17385, 17844, 20045, 22305, 23180, 24054, 25742, 28253, 29740, 34770, 38613, 40090, 44610, 48108, 51484, 56506, 60135, 64355, 69540, 77226, 80180, 84759, 89220, 90707, 113012, 120270, 128710, 141265, 154452, 169518, 181414, 193065, 240540, 244549, 257420, 272121, 282530, 313757, 339036, 362828, 386130, 423795, 453535, 489098, 544242, 565060, 627514, 733647, 772260, 847590, 907070, 941271, 978196, 1088484, 1222745, 1255028, 1360605, 1467294, 1568785, 1695180, 1723433, 1814140, 1882542, 2445490, 2721210, 2934588, 3137570, 3446866, 3668235, 3765084, 4706355, 4890980, 5170299, 5442420, 5961383, 6275140, 6893732, 7336470, 8617165, 9412710, 10340598, 11922766, 14672940, 17234330, 17884149, 18825420, 19139177, 20681196, 23845532, 25851495, 29806915, 34468660, 35768298, 38278354, 51702990, 57417531, 59613830, 71536596, 76556708, 89420745, 95695885, 103405980, 114835062, 119227660, 178841490, 191391770, 229670124, 287087655, 357682980, 363644363, 382783540, 574175310, 727288726, 1090933089, 1148350620, 1454577452, 1818221815, 2181866178, 3636443630, 4363732356, 5454665445, 7272887260, 10909330890, 21818661780]

約数ペア:

[(1, 21818661780), (2, 10909330890), (3, 7272887260), (4, 5454665445), (5, 4363732356), (6, 3636443630), (10, 2181866178), (12, 1818221815), (15, 1454577452), (19, 1148350620), (20, 1090933089), (30, 727288726), (38, 574175310), (57, 382783540), (60, 363644363), (61, 357682980), (76, 287087655), (95, 229670124), (114, 191391770), (122, 178841490), (183, 119227660), (190, 114835062), (211, 103405980), (228, 95695885), (244, 89420745), (285, 76556708), (305, 71536596), (366, 59613830), (380, 57417531), (422, 51702990), (570, 38278354), (610, 35768298), (633, 34468660), (732, 29806915), (844, 25851495), (915, 23845532), (1055, 20681196), (1140, 19139177), (1159, 18825420), (1220, 17884149), (1266, 17234330), (1487, 14672940), (1830, 11922766), (2110, 10340598), (2318, 9412710), (2532, 8617165), (2974, 7336470), (3165, 6893732), (3477, 6275140), (3660, 5961383), (4009, 5442420), (4220, 5170299), (4461, 4890980), (4636, 4706355), (5795, 3765084), (5948, 3668235), (6330, 3446866), (6954, 3137570), (7435, 2934588), (8018, 2721210), (8922, 2445490), (11590, 1882542), (12027, 1814140), (12660, 1723433), (12871, 1695180), (13908, 1568785), (14870, 1467294), (16036, 1360605), (17385, 1255028), (17844, 1222745), (20045, 1088484), (22305, 978196), (23180, 941271), (24054, 907070), (25742, 847590), (28253, 772260), (29740, 733647), (34770, 627514), (38613, 565060), (40090, 544242), (44610, 489098), (48108, 453535), (51484, 423795), (56506, 386130), (60135, 362828), (64355, 339036), (69540, 313757), (77226, 282530), (80180, 272121), (84759, 257420), (89220, 244549), (90707, 240540), (113012, 193065), (120270, 181414), (128710, 169518), (141265, 154452)]