172367440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9929}}^1$

素因数の和:9980

約数の個数: 80

約数和(自身を含む): 472826880

約数和(自身を除く): 300459440

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, 4340, 8680, 9929, 17360, 19858, 39716, 49645, 69503, 79432, 99290, 139006, 158864, 198580, 278012, 307799, 347515, 397160, 556024, 615598, 695030, 794320, 1112048, 1231196, 1390060, 1538995, 2154593, 2462392, 2780120, 3077990, 4309186, 4924784, 5560240, 6155980, 8618372, 10772965, 12311960, 17236744, 21545930, 24623920, 34473488, 43091860, 86183720, 172367440]

約数ペア:

[(1, 172367440), (2, 86183720), (4, 43091860), (5, 34473488), (7, 24623920), (8, 21545930), (10, 17236744), (14, 12311960), (16, 10772965), (20, 8618372), (28, 6155980), (31, 5560240), (35, 4924784), (40, 4309186), (56, 3077990), (62, 2780120), (70, 2462392), (80, 2154593), (112, 1538995), (124, 1390060), (140, 1231196), (155, 1112048), (217, 794320), (248, 695030), (280, 615598), (310, 556024), (434, 397160), (496, 347515), (560, 307799), (620, 278012), (868, 198580), (1085, 158864), (1240, 139006), (1736, 99290), (2170, 79432), (2480, 69503), (3472, 49645), (4340, 39716), (8680, 19858), (9929, 17360)]