1221553760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{233}}^1$

素因数の和:437

約数の個数: 192

約数和(自身を含む): 3441844224

約数和(自身を除く): 2220290464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 151, 155, 160, 217, 224, 233, 248, 280, 302, 310, 434, 466, 496, 560, 604, 620, 755, 868, 932, 992, 1057, 1085, 1120, 1165, 1208, 1240, 1510, 1631, 1736, 1864, 2114, 2170, 2330, 2416, 2480, 3020, 3262, 3472, 3728, 4228, 4340, 4660, 4681, 4832, 4960, 5285, 6040, 6524, 6944, 7223, 7456, 8155, 8456, 8680, 9320, 9362, 10570, 12080, 13048, 14446, 16310, 16912, 17360, 18640, 18724, 21140, 23405, 24160, 26096, 28892, 32620, 32767, 33824, 34720, 35183, 36115, 37280, 37448, 42280, 46810, 50561, 52192, 57784, 65240, 65534, 70366, 72230, 74896, 84560, 93620, 101122, 115568, 130480, 131068, 140732, 144460, 149792, 163835, 169120, 175915, 187240, 202244, 231136, 246281, 252805, 260960, 262136, 281464, 288920, 327670, 351830, 374480, 404488, 492562, 505610, 524272, 562928, 577840, 655340, 703660, 748960, 808976, 985124, 1011220, 1048544, 1090673, 1125856, 1155680, 1231405, 1310680, 1407320, 1617952, 1970248, 2022440, 2181346, 2462810, 2621360, 2814640, 3940496, 4044880, 4362692, 4925620, 5242720, 5453365, 5629280, 7634711, 7880992, 8089760, 8725384, 9851240, 10906730, 15269422, 17450768, 19702480, 21813460, 30538844, 34901536, 38173555, 39404960, 43626920, 61077688, 76347110, 87253840, 122155376, 152694220, 174507680, 244310752, 305388440, 610776880, 1221553760]

約数ペア:

[(1, 1221553760), (2, 610776880), (4, 305388440), (5, 244310752), (7, 174507680), (8, 152694220), (10, 122155376), (14, 87253840), (16, 76347110), (20, 61077688), (28, 43626920), (31, 39404960), (32, 38173555), (35, 34901536), (40, 30538844), (56, 21813460), (62, 19702480), (70, 17450768), (80, 15269422), (112, 10906730), (124, 9851240), (140, 8725384), (151, 8089760), (155, 7880992), (160, 7634711), (217, 5629280), (224, 5453365), (233, 5242720), (248, 4925620), (280, 4362692), (302, 4044880), (310, 3940496), (434, 2814640), (466, 2621360), (496, 2462810), (560, 2181346), (604, 2022440), (620, 1970248), (755, 1617952), (868, 1407320), (932, 1310680), (992, 1231405), (1057, 1155680), (1085, 1125856), (1120, 1090673), (1165, 1048544), (1208, 1011220), (1240, 985124), (1510, 808976), (1631, 748960), (1736, 703660), (1864, 655340), (2114, 577840), (2170, 562928), (2330, 524272), (2416, 505610), (2480, 492562), (3020, 404488), (3262, 374480), (3472, 351830), (3728, 327670), (4228, 288920), (4340, 281464), (4660, 262136), (4681, 260960), (4832, 252805), (4960, 246281), (5285, 231136), (6040, 202244), (6524, 187240), (6944, 175915), (7223, 169120), (7456, 163835), (8155, 149792), (8456, 144460), (8680, 140732), (9320, 131068), (9362, 130480), (10570, 115568), (12080, 101122), (13048, 93620), (14446, 84560), (16310, 74896), (16912, 72230), (17360, 70366), (18640, 65534), (18724, 65240), (21140, 57784), (23405, 52192), (24160, 50561), (26096, 46810), (28892, 42280), (32620, 37448), (32767, 37280), (33824, 36115), (34720, 35183)]