77747840

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:178

約数の個数: 128

約数和(自身を含む): 198288000

約数和(自身を除く): 120540160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 59, 64, 71, 80, 116, 118, 128, 142, 145, 160, 232, 236, 284, 290, 295, 320, 355, 464, 472, 568, 580, 590, 640, 710, 928, 944, 1136, 1160, 1180, 1420, 1711, 1856, 1888, 2059, 2272, 2320, 2360, 2840, 3422, 3712, 3776, 4118, 4189, 4544, 4640, 4720, 5680, 6844, 7552, 8236, 8378, 8555, 9088, 9280, 9440, 10295, 11360, 13688, 16472, 16756, 17110, 18560, 18880, 20590, 20945, 22720, 27376, 32944, 33512, 34220, 37760, 41180, 41890, 45440, 54752, 65888, 67024, 68440, 82360, 83780, 109504, 121481, 131776, 134048, 136880, 164720, 167560, 219008, 242962, 263552, 268096, 273760, 329440, 335120, 485924, 536192, 547520, 607405, 658880, 670240, 971848, 1095040, 1214810, 1317760, 1340480, 1943696, 2429620, 2680960, 3887392, 4859240, 7774784, 9718480, 15549568, 19436960, 38873920, 77747840]

約数ペア:

[(1, 77747840), (2, 38873920), (4, 19436960), (5, 15549568), (8, 9718480), (10, 7774784), (16, 4859240), (20, 3887392), (29, 2680960), (32, 2429620), (40, 1943696), (58, 1340480), (59, 1317760), (64, 1214810), (71, 1095040), (80, 971848), (116, 670240), (118, 658880), (128, 607405), (142, 547520), (145, 536192), (160, 485924), (232, 335120), (236, 329440), (284, 273760), (290, 268096), (295, 263552), (320, 242962), (355, 219008), (464, 167560), (472, 164720), (568, 136880), (580, 134048), (590, 131776), (640, 121481), (710, 109504), (928, 83780), (944, 82360), (1136, 68440), (1160, 67024), (1180, 65888), (1420, 54752), (1711, 45440), (1856, 41890), (1888, 41180), (2059, 37760), (2272, 34220), (2320, 33512), (2360, 32944), (2840, 27376), (3422, 22720), (3712, 20945), (3776, 20590), (4118, 18880), (4189, 18560), (4544, 17110), (4640, 16756), (4720, 16472), (5680, 13688), (6844, 11360), (7552, 10295), (8236, 9440), (8378, 9280), (8555, 9088)]