320718480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1153}}^1$

素因数の和:1249

約数の個数: 160

約数和(自身を含む): 1064634240

約数和(自身を除く): 743915760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 61, 76, 80, 95, 114, 120, 122, 152, 183, 190, 228, 240, 244, 285, 304, 305, 366, 380, 456, 488, 570, 610, 732, 760, 912, 915, 976, 1140, 1153, 1159, 1220, 1464, 1520, 1830, 2280, 2306, 2318, 2440, 2928, 3459, 3477, 3660, 4560, 4612, 4636, 4880, 5765, 5795, 6918, 6954, 7320, 9224, 9272, 11530, 11590, 13836, 13908, 14640, 17295, 17385, 18448, 18544, 21907, 23060, 23180, 27672, 27816, 34590, 34770, 43814, 46120, 46360, 55344, 55632, 65721, 69180, 69540, 70333, 87628, 92240, 92720, 109535, 131442, 138360, 139080, 140666, 175256, 210999, 219070, 262884, 276720, 278160, 281332, 328605, 350512, 351665, 421998, 438140, 525768, 562664, 657210, 703330, 843996, 876280, 1051536, 1054995, 1125328, 1314420, 1336327, 1406660, 1687992, 1752560, 2109990, 2628840, 2672654, 2813320, 3375984, 4008981, 4219980, 5257680, 5345308, 5626640, 6681635, 8017962, 8439960, 10690616, 13363270, 16035924, 16879920, 20044905, 21381232, 26726540, 32071848, 40089810, 53453080, 64143696, 80179620, 106906160, 160359240, 320718480]

約数ペア:

[(1, 320718480), (2, 160359240), (3, 106906160), (4, 80179620), (5, 64143696), (6, 53453080), (8, 40089810), (10, 32071848), (12, 26726540), (15, 21381232), (16, 20044905), (19, 16879920), (20, 16035924), (24, 13363270), (30, 10690616), (38, 8439960), (40, 8017962), (48, 6681635), (57, 5626640), (60, 5345308), (61, 5257680), (76, 4219980), (80, 4008981), (95, 3375984), (114, 2813320), (120, 2672654), (122, 2628840), (152, 2109990), (183, 1752560), (190, 1687992), (228, 1406660), (240, 1336327), (244, 1314420), (285, 1125328), (304, 1054995), (305, 1051536), (366, 876280), (380, 843996), (456, 703330), (488, 657210), (570, 562664), (610, 525768), (732, 438140), (760, 421998), (912, 351665), (915, 350512), (976, 328605), (1140, 281332), (1153, 278160), (1159, 276720), (1220, 262884), (1464, 219070), (1520, 210999), (1830, 175256), (2280, 140666), (2306, 139080), (2318, 138360), (2440, 131442), (2928, 109535), (3459, 92720), (3477, 92240), (3660, 87628), (4560, 70333), (4612, 69540), (4636, 69180), (4880, 65721), (5765, 55632), (5795, 55344), (6918, 46360), (6954, 46120), (7320, 43814), (9224, 34770), (9272, 34590), (11530, 27816), (11590, 27672), (13836, 23180), (13908, 23060), (14640, 21907), (17295, 18544), (17385, 18448)]