90167840

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:120

約数の個数: 192

約数和(自身を含む): 261273600

約数和(自身を除く): 171105760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 53, 56, 62, 70, 80, 98, 106, 112, 124, 140, 155, 160, 196, 212, 217, 224, 245, 248, 265, 280, 310, 343, 371, 392, 424, 434, 490, 496, 530, 560, 620, 686, 742, 784, 848, 868, 980, 992, 1060, 1085, 1120, 1240, 1372, 1484, 1519, 1568, 1643, 1696, 1715, 1736, 1855, 1960, 2120, 2170, 2480, 2597, 2744, 2968, 3038, 3286, 3430, 3472, 3710, 3920, 4240, 4340, 4960, 5194, 5488, 5936, 6076, 6572, 6860, 6944, 7420, 7595, 7840, 8215, 8480, 8680, 10388, 10633, 10976, 11501, 11872, 12152, 12985, 13144, 13720, 14840, 15190, 16430, 17360, 18179, 20776, 21266, 23002, 24304, 25970, 26288, 27440, 29680, 30380, 32860, 34720, 36358, 41552, 42532, 46004, 48608, 51940, 52576, 53165, 54880, 57505, 59360, 60760, 65720, 72716, 80507, 83104, 85064, 90895, 92008, 103880, 106330, 115010, 121520, 131440, 145432, 161014, 170128, 181790, 184016, 207760, 212660, 230020, 243040, 262880, 290864, 322028, 340256, 363580, 368032, 402535, 415520, 425320, 460040, 563549, 581728, 644056, 727160, 805070, 850640, 920080, 1127098, 1288112, 1454320, 1610140, 1701280, 1840160, 2254196, 2576224, 2817745, 2908640, 3220280, 4508392, 5635490, 6440560, 9016784, 11270980, 12881120, 18033568, 22541960, 45083920, 90167840]

約数ペア:

[(1, 90167840), (2, 45083920), (4, 22541960), (5, 18033568), (7, 12881120), (8, 11270980), (10, 9016784), (14, 6440560), (16, 5635490), (20, 4508392), (28, 3220280), (31, 2908640), (32, 2817745), (35, 2576224), (40, 2254196), (49, 1840160), (53, 1701280), (56, 1610140), (62, 1454320), (70, 1288112), (80, 1127098), (98, 920080), (106, 850640), (112, 805070), (124, 727160), (140, 644056), (155, 581728), (160, 563549), (196, 460040), (212, 425320), (217, 415520), (224, 402535), (245, 368032), (248, 363580), (265, 340256), (280, 322028), (310, 290864), (343, 262880), (371, 243040), (392, 230020), (424, 212660), (434, 207760), (490, 184016), (496, 181790), (530, 170128), (560, 161014), (620, 145432), (686, 131440), (742, 121520), (784, 115010), (848, 106330), (868, 103880), (980, 92008), (992, 90895), (1060, 85064), (1085, 83104), (1120, 80507), (1240, 72716), (1372, 65720), (1484, 60760), (1519, 59360), (1568, 57505), (1643, 54880), (1696, 53165), (1715, 52576), (1736, 51940), (1855, 48608), (1960, 46004), (2120, 42532), (2170, 41552), (2480, 36358), (2597, 34720), (2744, 32860), (2968, 30380), (3038, 29680), (3286, 27440), (3430, 26288), (3472, 25970), (3710, 24304), (3920, 23002), (4240, 21266), (4340, 20776), (4960, 18179), (5194, 17360), (5488, 16430), (5936, 15190), (6076, 14840), (6572, 13720), (6860, 13144), (6944, 12985), (7420, 12152), (7595, 11872), (7840, 11501), (8215, 10976), (8480, 10633), (8680, 10388)]