163987520

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:380

約数の個数: 112

約数和(自身を含む): 411211776

約数和(自身を除く): 247224256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 61, 62, 64, 80, 122, 124, 155, 160, 244, 248, 271, 305, 310, 320, 488, 496, 542, 610, 620, 976, 992, 1084, 1220, 1240, 1355, 1891, 1952, 1984, 2168, 2440, 2480, 2710, 3782, 3904, 4336, 4880, 4960, 5420, 7564, 8401, 8672, 9455, 9760, 9920, 10840, 15128, 16531, 16802, 17344, 18910, 19520, 21680, 30256, 33062, 33604, 37820, 42005, 43360, 60512, 66124, 67208, 75640, 82655, 84010, 86720, 121024, 132248, 134416, 151280, 165310, 168020, 264496, 268832, 302560, 330620, 336040, 512461, 528992, 537664, 605120, 661240, 672080, 1024922, 1057984, 1322480, 1344160, 2049844, 2562305, 2644960, 2688320, 4099688, 5124610, 5289920, 8199376, 10249220, 16398752, 20498440, 32797504, 40996880, 81993760, 163987520]

約数ペア:

[(1, 163987520), (2, 81993760), (4, 40996880), (5, 32797504), (8, 20498440), (10, 16398752), (16, 10249220), (20, 8199376), (31, 5289920), (32, 5124610), (40, 4099688), (61, 2688320), (62, 2644960), (64, 2562305), (80, 2049844), (122, 1344160), (124, 1322480), (155, 1057984), (160, 1024922), (244, 672080), (248, 661240), (271, 605120), (305, 537664), (310, 528992), (320, 512461), (488, 336040), (496, 330620), (542, 302560), (610, 268832), (620, 264496), (976, 168020), (992, 165310), (1084, 151280), (1220, 134416), (1240, 132248), (1355, 121024), (1891, 86720), (1952, 84010), (1984, 82655), (2168, 75640), (2440, 67208), (2480, 66124), (2710, 60512), (3782, 43360), (3904, 42005), (4336, 37820), (4880, 33604), (4960, 33062), (5420, 30256), (7564, 21680), (8401, 19520), (8672, 18910), (9455, 17344), (9760, 16802), (9920, 16531), (10840, 15128)]