81296250

素因数分解:

$2^1\times 3^1\times 5^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:214

約数の個数: 160

約数和(自身を含む): 245921280

約数和(自身を除く): 164625030

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 25, 30, 35, 38, 42, 50, 57, 70, 75, 95, 105, 114, 125, 133, 150, 163, 175, 190, 210, 250, 266, 285, 326, 350, 375, 399, 475, 489, 525, 570, 625, 665, 750, 798, 815, 875, 950, 978, 1050, 1141, 1250, 1330, 1425, 1630, 1750, 1875, 1995, 2282, 2375, 2445, 2625, 2850, 3097, 3325, 3423, 3750, 3990, 4075, 4375, 4750, 4890, 5250, 5705, 6194, 6650, 6846, 7125, 8150, 8750, 9291, 9975, 11410, 11875, 12225, 13125, 14250, 15485, 16625, 17115, 18582, 19950, 20375, 21679, 23750, 24450, 26250, 28525, 30970, 33250, 34230, 35625, 40750, 43358, 46455, 49875, 57050, 61125, 65037, 71250, 77425, 83125, 85575, 92910, 99750, 101875, 108395, 122250, 130074, 142625, 154850, 166250, 171150, 203750, 216790, 232275, 249375, 285250, 305625, 325185, 387125, 427875, 464550, 498750, 541975, 611250, 650370, 713125, 774250, 855750, 1083950, 1161375, 1426250, 1625925, 1935625, 2139375, 2322750, 2709875, 3251850, 3871250, 4278750, 5419750, 5806875, 8129625, 11613750, 13549375, 16259250, 27098750, 40648125, 81296250]

約数ペア:

[(1, 81296250), (2, 40648125), (3, 27098750), (5, 16259250), (6, 13549375), (7, 11613750), (10, 8129625), (14, 5806875), (15, 5419750), (19, 4278750), (21, 3871250), (25, 3251850), (30, 2709875), (35, 2322750), (38, 2139375), (42, 1935625), (50, 1625925), (57, 1426250), (70, 1161375), (75, 1083950), (95, 855750), (105, 774250), (114, 713125), (125, 650370), (133, 611250), (150, 541975), (163, 498750), (175, 464550), (190, 427875), (210, 387125), (250, 325185), (266, 305625), (285, 285250), (326, 249375), (350, 232275), (375, 216790), (399, 203750), (475, 171150), (489, 166250), (525, 154850), (570, 142625), (625, 130074), (665, 122250), (750, 108395), (798, 101875), (815, 99750), (875, 92910), (950, 85575), (978, 83125), (1050, 77425), (1141, 71250), (1250, 65037), (1330, 61125), (1425, 57050), (1630, 49875), (1750, 46455), (1875, 43358), (1995, 40750), (2282, 35625), (2375, 34230), (2445, 33250), (2625, 30970), (2850, 28525), (3097, 26250), (3325, 24450), (3423, 23750), (3750, 21679), (3990, 20375), (4075, 19950), (4375, 18582), (4750, 17115), (4890, 16625), (5250, 15485), (5705, 14250), (6194, 13125), (6650, 12225), (6846, 11875), (7125, 11410), (8150, 9975), (8750, 9291)]