197474640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{571}}^1$

素因数の和:729

約数の個数: 160

約数和(自身を含む): 674099712

約数和(自身を除く): 476625072

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 131, 132, 165, 176, 220, 240, 262, 264, 330, 393, 440, 524, 528, 571, 655, 660, 786, 880, 1048, 1142, 1310, 1320, 1441, 1572, 1713, 1965, 2096, 2284, 2620, 2640, 2855, 2882, 3144, 3426, 3930, 4323, 4568, 5240, 5710, 5764, 6281, 6288, 6852, 7205, 7860, 8565, 8646, 9136, 10480, 11420, 11528, 12562, 13704, 14410, 15720, 17130, 17292, 18843, 21615, 22840, 23056, 25124, 27408, 28820, 31405, 31440, 34260, 34584, 37686, 43230, 45680, 50248, 57640, 62810, 68520, 69168, 74801, 75372, 86460, 94215, 100496, 115280, 125620, 137040, 149602, 150744, 172920, 188430, 224403, 251240, 299204, 301488, 345840, 374005, 376860, 448806, 502480, 598408, 748010, 753720, 822811, 897612, 1122015, 1196816, 1496020, 1507440, 1645622, 1795224, 2244030, 2468433, 2992040, 3291244, 3590448, 4114055, 4488060, 4936866, 5984080, 6582488, 8228110, 8976120, 9873732, 12342165, 13164976, 16456220, 17952240, 19747464, 24684330, 32912440, 39494928, 49368660, 65824880, 98737320, 197474640]

約数ペア:

[(1, 197474640), (2, 98737320), (3, 65824880), (4, 49368660), (5, 39494928), (6, 32912440), (8, 24684330), (10, 19747464), (11, 17952240), (12, 16456220), (15, 13164976), (16, 12342165), (20, 9873732), (22, 8976120), (24, 8228110), (30, 6582488), (33, 5984080), (40, 4936866), (44, 4488060), (48, 4114055), (55, 3590448), (60, 3291244), (66, 2992040), (80, 2468433), (88, 2244030), (110, 1795224), (120, 1645622), (131, 1507440), (132, 1496020), (165, 1196816), (176, 1122015), (220, 897612), (240, 822811), (262, 753720), (264, 748010), (330, 598408), (393, 502480), (440, 448806), (524, 376860), (528, 374005), (571, 345840), (655, 301488), (660, 299204), (786, 251240), (880, 224403), (1048, 188430), (1142, 172920), (1310, 150744), (1320, 149602), (1441, 137040), (1572, 125620), (1713, 115280), (1965, 100496), (2096, 94215), (2284, 86460), (2620, 75372), (2640, 74801), (2855, 69168), (2882, 68520), (3144, 62810), (3426, 57640), (3930, 50248), (4323, 45680), (4568, 43230), (5240, 37686), (5710, 34584), (5764, 34260), (6281, 31440), (6288, 31405), (6852, 28820), (7205, 27408), (7860, 25124), (8565, 23056), (8646, 22840), (9136, 21615), (10480, 18843), (11420, 17292), (11528, 17130), (12562, 15720), (13704, 14410)]