172315360

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{709}}^1$

素因数の和:769

約数の個数: 144

約数和(自身を含む): 489525120

約数和(自身を除く): 317209760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 709, 784, 868, 980, 992, 1085, 1120, 1240, 1418, 1519, 1568, 1736, 1960, 2170, 2480, 2836, 3038, 3472, 3545, 3920, 4340, 4960, 4963, 5672, 6076, 6944, 7090, 7595, 7840, 8680, 9926, 11344, 12152, 14180, 15190, 17360, 19852, 21979, 22688, 24304, 24815, 28360, 30380, 34720, 34741, 39704, 43958, 48608, 49630, 56720, 60760, 69482, 79408, 87916, 99260, 109895, 113440, 121520, 138964, 153853, 158816, 173705, 175832, 198520, 219790, 243040, 277928, 307706, 347410, 351664, 397040, 439580, 555856, 615412, 694820, 703328, 769265, 794080, 879160, 1076971, 1111712, 1230824, 1389640, 1538530, 1758320, 2153942, 2461648, 2779280, 3077060, 3516640, 4307884, 4923296, 5384855, 5558560, 6154120, 8615768, 10769710, 12308240, 17231536, 21539420, 24616480, 34463072, 43078840, 86157680, 172315360]

約数ペア:

[(1, 172315360), (2, 86157680), (4, 43078840), (5, 34463072), (7, 24616480), (8, 21539420), (10, 17231536), (14, 12308240), (16, 10769710), (20, 8615768), (28, 6154120), (31, 5558560), (32, 5384855), (35, 4923296), (40, 4307884), (49, 3516640), (56, 3077060), (62, 2779280), (70, 2461648), (80, 2153942), (98, 1758320), (112, 1538530), (124, 1389640), (140, 1230824), (155, 1111712), (160, 1076971), (196, 879160), (217, 794080), (224, 769265), (245, 703328), (248, 694820), (280, 615412), (310, 555856), (392, 439580), (434, 397040), (490, 351664), (496, 347410), (560, 307706), (620, 277928), (709, 243040), (784, 219790), (868, 198520), (980, 175832), (992, 173705), (1085, 158816), (1120, 153853), (1240, 138964), (1418, 121520), (1519, 113440), (1568, 109895), (1736, 99260), (1960, 87916), (2170, 79408), (2480, 69482), (2836, 60760), (3038, 56720), (3472, 49630), (3545, 48608), (3920, 43958), (4340, 39704), (4960, 34741), (4963, 34720), (5672, 30380), (6076, 28360), (6944, 24815), (7090, 24304), (7595, 22688), (7840, 21979), (8680, 19852), (9926, 17360), (11344, 15190), (12152, 14180)]