2551920

素因数分解:

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

素因数の和:68

約数の個数: 160

約数和(自身を含む): 9523200

約数和(自身を除く): 6971280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 35, 40, 42, 48, 49, 56, 60, 62, 70, 80, 84, 93, 98, 105, 112, 120, 124, 140, 147, 155, 168, 186, 196, 210, 217, 240, 245, 248, 280, 294, 310, 336, 343, 372, 392, 420, 434, 465, 490, 496, 560, 588, 620, 651, 686, 735, 744, 784, 840, 868, 930, 980, 1029, 1085, 1176, 1240, 1302, 1372, 1470, 1488, 1519, 1680, 1715, 1736, 1860, 1960, 2058, 2170, 2352, 2480, 2604, 2744, 2940, 3038, 3255, 3430, 3472, 3720, 3920, 4116, 4340, 4557, 5145, 5208, 5488, 5880, 6076, 6510, 6860, 7440, 7595, 8232, 8680, 9114, 10290, 10416, 10633, 11760, 12152, 13020, 13720, 15190, 16464, 17360, 18228, 20580, 21266, 22785, 24304, 26040, 27440, 30380, 31899, 36456, 41160, 42532, 45570, 52080, 53165, 60760, 63798, 72912, 82320, 85064, 91140, 106330, 121520, 127596, 159495, 170128, 182280, 212660, 255192, 318990, 364560, 425320, 510384, 637980, 850640, 1275960, 2551920]

約数ペア:

[(1, 2551920), (2, 1275960), (3, 850640), (4, 637980), (5, 510384), (6, 425320), (7, 364560), (8, 318990), (10, 255192), (12, 212660), (14, 182280), (15, 170128), (16, 159495), (20, 127596), (21, 121520), (24, 106330), (28, 91140), (30, 85064), (31, 82320), (35, 72912), (40, 63798), (42, 60760), (48, 53165), (49, 52080), (56, 45570), (60, 42532), (62, 41160), (70, 36456), (80, 31899), (84, 30380), (93, 27440), (98, 26040), (105, 24304), (112, 22785), (120, 21266), (124, 20580), (140, 18228), (147, 17360), (155, 16464), (168, 15190), (186, 13720), (196, 13020), (210, 12152), (217, 11760), (240, 10633), (245, 10416), (248, 10290), (280, 9114), (294, 8680), (310, 8232), (336, 7595), (343, 7440), (372, 6860), (392, 6510), (420, 6076), (434, 5880), (465, 5488), (490, 5208), (496, 5145), (560, 4557), (588, 4340), (620, 4116), (651, 3920), (686, 3720), (735, 3472), (744, 3430), (784, 3255), (840, 3038), (868, 2940), (930, 2744), (980, 2604), (1029, 2480), (1085, 2352), (1176, 2170), (1240, 2058), (1302, 1960), (1372, 1860), (1470, 1736), (1488, 1715), (1519, 1680)]