2131371520

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:412

約数の個数: 160

約数和(自身を含む): 5345657856

約数和(自身を除く): 3214286336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 107, 124, 128, 155, 160, 214, 248, 251, 256, 310, 320, 428, 496, 502, 512, 535, 620, 640, 856, 992, 1004, 1070, 1240, 1255, 1280, 1712, 1984, 2008, 2140, 2480, 2510, 2560, 3317, 3424, 3968, 4016, 4280, 4960, 5020, 6634, 6848, 7781, 7936, 8032, 8560, 9920, 10040, 13268, 13696, 15562, 15872, 16064, 16585, 17120, 19840, 20080, 26536, 26857, 27392, 31124, 32128, 33170, 34240, 38905, 39680, 40160, 53072, 53714, 54784, 62248, 64256, 66340, 68480, 77810, 79360, 80320, 106144, 107428, 124496, 128512, 132680, 134285, 136960, 155620, 160640, 212288, 214856, 248992, 265360, 268570, 273920, 311240, 321280, 424576, 429712, 497984, 530720, 537140, 622480, 642560, 832567, 849152, 859424, 995968, 1061440, 1074280, 1244960, 1665134, 1698304, 1718848, 1991936, 2122880, 2148560, 2489920, 3330268, 3437696, 3983872, 4162835, 4245760, 4297120, 4979840, 6660536, 6875392, 8325670, 8491520, 8594240, 9959680, 13321072, 13750784, 16651340, 17188480, 19919360, 26642144, 33302680, 34376960, 53284288, 66605360, 68753920, 106568576, 133210720, 213137152, 266421440, 426274304, 532842880, 1065685760, 2131371520]

約数ペア:

[(1, 2131371520), (2, 1065685760), (4, 532842880), (5, 426274304), (8, 266421440), (10, 213137152), (16, 133210720), (20, 106568576), (31, 68753920), (32, 66605360), (40, 53284288), (62, 34376960), (64, 33302680), (80, 26642144), (107, 19919360), (124, 17188480), (128, 16651340), (155, 13750784), (160, 13321072), (214, 9959680), (248, 8594240), (251, 8491520), (256, 8325670), (310, 6875392), (320, 6660536), (428, 4979840), (496, 4297120), (502, 4245760), (512, 4162835), (535, 3983872), (620, 3437696), (640, 3330268), (856, 2489920), (992, 2148560), (1004, 2122880), (1070, 1991936), (1240, 1718848), (1255, 1698304), (1280, 1665134), (1712, 1244960), (1984, 1074280), (2008, 1061440), (2140, 995968), (2480, 859424), (2510, 849152), (2560, 832567), (3317, 642560), (3424, 622480), (3968, 537140), (4016, 530720), (4280, 497984), (4960, 429712), (5020, 424576), (6634, 321280), (6848, 311240), (7781, 273920), (7936, 268570), (8032, 265360), (8560, 248992), (9920, 214856), (10040, 212288), (13268, 160640), (13696, 155620), (15562, 136960), (15872, 134285), (16064, 132680), (16585, 128512), (17120, 124496), (19840, 107428), (20080, 106144), (26536, 80320), (26857, 79360), (27392, 77810), (31124, 68480), (32128, 66340), (33170, 64256), (34240, 62248), (38905, 54784), (39680, 53714), (40160, 53072)]