173121920

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{619}}^1$

素因数の和:680

約数の個数: 128

約数和(自身を含む): 455328000

約数和(自身を除く): 282206080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 64, 76, 80, 92, 95, 115, 128, 152, 160, 184, 190, 230, 304, 320, 368, 380, 437, 460, 608, 619, 640, 736, 760, 874, 920, 1216, 1238, 1472, 1520, 1748, 1840, 2185, 2432, 2476, 2944, 3040, 3095, 3496, 3680, 4370, 4952, 6080, 6190, 6992, 7360, 8740, 9904, 11761, 12160, 12380, 13984, 14237, 14720, 17480, 19808, 23522, 24760, 27968, 28474, 34960, 39616, 47044, 49520, 55936, 56948, 58805, 69920, 71185, 79232, 94088, 99040, 113896, 117610, 139840, 142370, 188176, 198080, 227792, 235220, 270503, 279680, 284740, 376352, 396160, 455584, 470440, 541006, 569480, 752704, 911168, 940880, 1082012, 1138960, 1352515, 1505408, 1822336, 1881760, 2164024, 2277920, 2705030, 3763520, 4328048, 4555840, 5410060, 7527040, 8656096, 9111680, 10820120, 17312192, 21640240, 34624384, 43280480, 86560960, 173121920]

約数ペア:

[(1, 173121920), (2, 86560960), (4, 43280480), (5, 34624384), (8, 21640240), (10, 17312192), (16, 10820120), (19, 9111680), (20, 8656096), (23, 7527040), (32, 5410060), (38, 4555840), (40, 4328048), (46, 3763520), (64, 2705030), (76, 2277920), (80, 2164024), (92, 1881760), (95, 1822336), (115, 1505408), (128, 1352515), (152, 1138960), (160, 1082012), (184, 940880), (190, 911168), (230, 752704), (304, 569480), (320, 541006), (368, 470440), (380, 455584), (437, 396160), (460, 376352), (608, 284740), (619, 279680), (640, 270503), (736, 235220), (760, 227792), (874, 198080), (920, 188176), (1216, 142370), (1238, 139840), (1472, 117610), (1520, 113896), (1748, 99040), (1840, 94088), (2185, 79232), (2432, 71185), (2476, 69920), (2944, 58805), (3040, 56948), (3095, 55936), (3496, 49520), (3680, 47044), (4370, 39616), (4952, 34960), (6080, 28474), (6190, 27968), (6992, 24760), (7360, 23522), (8740, 19808), (9904, 17480), (11761, 14720), (12160, 14237), (12380, 13984)]