72165520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4157}}^1$

素因数の和:4208

約数の個数: 80

約数和(自身を含む): 197987328

約数和(自身を除く): 125821808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4157, 4340, 8314, 8680, 16628, 17360, 20785, 29099, 33256, 41570, 58198, 66512, 83140, 116396, 128867, 145495, 166280, 232792, 257734, 290990, 332560, 465584, 515468, 581980, 644335, 902069, 1030936, 1163960, 1288670, 1804138, 2061872, 2327920, 2577340, 3608276, 4510345, 5154680, 7216552, 9020690, 10309360, 14433104, 18041380, 36082760, 72165520]

約数ペア:

[(1, 72165520), (2, 36082760), (4, 18041380), (5, 14433104), (7, 10309360), (8, 9020690), (10, 7216552), (14, 5154680), (16, 4510345), (20, 3608276), (28, 2577340), (31, 2327920), (35, 2061872), (40, 1804138), (56, 1288670), (62, 1163960), (70, 1030936), (80, 902069), (112, 644335), (124, 581980), (140, 515468), (155, 465584), (217, 332560), (248, 290990), (280, 257734), (310, 232792), (434, 166280), (496, 145495), (560, 128867), (620, 116396), (868, 83140), (1085, 66512), (1240, 58198), (1736, 41570), (2170, 33256), (2480, 29099), (3472, 20785), (4157, 17360), (4340, 16628), (8314, 8680)]