87615920

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:168

約数の個数: 160

約数和(自身を含む): 247603200

約数和(自身を除く): 159987280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 103, 112, 124, 140, 155, 196, 206, 217, 245, 248, 280, 310, 343, 392, 412, 434, 490, 496, 515, 560, 620, 686, 721, 784, 824, 868, 980, 1030, 1085, 1240, 1372, 1442, 1519, 1648, 1715, 1736, 1960, 2060, 2170, 2480, 2744, 2884, 3038, 3193, 3430, 3472, 3605, 3920, 4120, 4340, 5047, 5488, 5768, 6076, 6386, 6860, 7210, 7595, 8240, 8680, 10094, 10633, 11536, 12152, 12772, 13720, 14420, 15190, 15965, 17360, 20188, 21266, 22351, 24304, 25235, 25544, 27440, 28840, 30380, 31930, 35329, 40376, 42532, 44702, 50470, 51088, 53165, 57680, 60760, 63860, 70658, 80752, 85064, 89404, 100940, 106330, 111755, 121520, 127720, 141316, 156457, 170128, 176645, 178808, 201880, 212660, 223510, 255440, 282632, 312914, 353290, 357616, 403760, 425320, 447020, 565264, 625828, 706580, 782285, 850640, 894040, 1095199, 1251656, 1413160, 1564570, 1788080, 2190398, 2503312, 2826320, 3129140, 4380796, 5475995, 6258280, 8761592, 10951990, 12516560, 17523184, 21903980, 43807960, 87615920]

約数ペア:

[(1, 87615920), (2, 43807960), (4, 21903980), (5, 17523184), (7, 12516560), (8, 10951990), (10, 8761592), (14, 6258280), (16, 5475995), (20, 4380796), (28, 3129140), (31, 2826320), (35, 2503312), (40, 2190398), (49, 1788080), (56, 1564570), (62, 1413160), (70, 1251656), (80, 1095199), (98, 894040), (103, 850640), (112, 782285), (124, 706580), (140, 625828), (155, 565264), (196, 447020), (206, 425320), (217, 403760), (245, 357616), (248, 353290), (280, 312914), (310, 282632), (343, 255440), (392, 223510), (412, 212660), (434, 201880), (490, 178808), (496, 176645), (515, 170128), (560, 156457), (620, 141316), (686, 127720), (721, 121520), (784, 111755), (824, 106330), (868, 100940), (980, 89404), (1030, 85064), (1085, 80752), (1240, 70658), (1372, 63860), (1442, 60760), (1519, 57680), (1648, 53165), (1715, 51088), (1736, 50470), (1960, 44702), (2060, 42532), (2170, 40376), (2480, 35329), (2744, 31930), (2884, 30380), (3038, 28840), (3193, 27440), (3430, 25544), (3472, 25235), (3605, 24304), (3920, 22351), (4120, 21266), (4340, 20188), (5047, 17360), (5488, 15965), (5768, 15190), (6076, 14420), (6386, 13720), (6860, 12772), (7210, 12152), (7595, 11536), (8240, 10633), (8680, 10094)]