71731840

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:402

約数の個数: 128

約数和(自身を含む): 191678400

約数和(自身を除く): 119946560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 128, 136, 152, 160, 170, 190, 272, 304, 320, 323, 340, 347, 380, 544, 608, 640, 646, 680, 694, 760, 1088, 1216, 1292, 1360, 1388, 1520, 1615, 1735, 2176, 2432, 2584, 2720, 2776, 3040, 3230, 3470, 5168, 5440, 5552, 5899, 6080, 6460, 6593, 6940, 10336, 10880, 11104, 11798, 12160, 12920, 13186, 13880, 20672, 22208, 23596, 25840, 26372, 27760, 29495, 32965, 41344, 44416, 47192, 51680, 52744, 55520, 58990, 65930, 94384, 103360, 105488, 111040, 112081, 117980, 131860, 188768, 206720, 210976, 222080, 224162, 235960, 263720, 377536, 421952, 448324, 471920, 527440, 560405, 755072, 843904, 896648, 943840, 1054880, 1120810, 1793296, 1887680, 2109760, 2241620, 3586592, 3775360, 4219520, 4483240, 7173184, 8966480, 14346368, 17932960, 35865920, 71731840]

約数ペア:

[(1, 71731840), (2, 35865920), (4, 17932960), (5, 14346368), (8, 8966480), (10, 7173184), (16, 4483240), (17, 4219520), (19, 3775360), (20, 3586592), (32, 2241620), (34, 2109760), (38, 1887680), (40, 1793296), (64, 1120810), (68, 1054880), (76, 943840), (80, 896648), (85, 843904), (95, 755072), (128, 560405), (136, 527440), (152, 471920), (160, 448324), (170, 421952), (190, 377536), (272, 263720), (304, 235960), (320, 224162), (323, 222080), (340, 210976), (347, 206720), (380, 188768), (544, 131860), (608, 117980), (640, 112081), (646, 111040), (680, 105488), (694, 103360), (760, 94384), (1088, 65930), (1216, 58990), (1292, 55520), (1360, 52744), (1388, 51680), (1520, 47192), (1615, 44416), (1735, 41344), (2176, 32965), (2432, 29495), (2584, 27760), (2720, 26372), (2776, 25840), (3040, 23596), (3230, 22208), (3470, 20672), (5168, 13880), (5440, 13186), (5552, 12920), (5899, 12160), (6080, 11798), (6460, 11104), (6593, 10880), (6940, 10336)]