749840940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2551}}^1$

素因数の和:2660

約数の個数: 144

約数和(自身を含む): 2407781376

約数和(自身を除く): 1657940436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 71, 90, 92, 115, 138, 142, 180, 207, 213, 230, 276, 284, 345, 355, 414, 426, 460, 639, 690, 710, 828, 852, 1035, 1065, 1278, 1380, 1420, 1633, 2070, 2130, 2551, 2556, 3195, 3266, 4140, 4260, 4899, 5102, 6390, 6532, 7653, 8165, 9798, 10204, 12755, 12780, 14697, 15306, 16330, 19596, 22959, 24495, 25510, 29394, 30612, 32660, 38265, 45918, 48990, 51020, 58673, 58788, 73485, 76530, 91836, 97980, 114795, 117346, 146970, 153060, 176019, 181121, 229590, 234692, 293365, 293940, 352038, 362242, 459180, 528057, 543363, 586730, 704076, 724484, 880095, 905605, 1056114, 1086726, 1173460, 1630089, 1760190, 1811210, 2112228, 2173452, 2640285, 2716815, 3260178, 3520380, 3622420, 4165783, 5280570, 5433630, 6520356, 8150445, 8331566, 10561140, 10867260, 12497349, 16300890, 16663132, 20828915, 24994698, 32601780, 37492047, 41657830, 49989396, 62486745, 74984094, 83315660, 124973490, 149968188, 187460235, 249946980, 374920470, 749840940]

約数ペア:

[(1, 749840940), (2, 374920470), (3, 249946980), (4, 187460235), (5, 149968188), (6, 124973490), (9, 83315660), (10, 74984094), (12, 62486745), (15, 49989396), (18, 41657830), (20, 37492047), (23, 32601780), (30, 24994698), (36, 20828915), (45, 16663132), (46, 16300890), (60, 12497349), (69, 10867260), (71, 10561140), (90, 8331566), (92, 8150445), (115, 6520356), (138, 5433630), (142, 5280570), (180, 4165783), (207, 3622420), (213, 3520380), (230, 3260178), (276, 2716815), (284, 2640285), (345, 2173452), (355, 2112228), (414, 1811210), (426, 1760190), (460, 1630089), (639, 1173460), (690, 1086726), (710, 1056114), (828, 905605), (852, 880095), (1035, 724484), (1065, 704076), (1278, 586730), (1380, 543363), (1420, 528057), (1633, 459180), (2070, 362242), (2130, 352038), (2551, 293940), (2556, 293365), (3195, 234692), (3266, 229590), (4140, 181121), (4260, 176019), (4899, 153060), (5102, 146970), (6390, 117346), (6532, 114795), (7653, 97980), (8165, 91836), (9798, 76530), (10204, 73485), (12755, 58788), (12780, 58673), (14697, 51020), (15306, 48990), (16330, 45918), (19596, 38265), (22959, 32660), (24495, 30612), (25510, 29394)]