161916720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3109}}^1$

素因数の和:3163

約数の個数: 160

約数和(自身を含む): 592343040

約数和(自身を除く): 430426320

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, 56, 60, 62, 70, 80, 84, 93, 105, 112, 120, 124, 140, 155, 168, 186, 210, 217, 240, 248, 280, 310, 336, 372, 420, 434, 465, 496, 560, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1488, 1680, 1736, 1860, 2170, 2480, 2604, 3109, 3255, 3472, 3720, 4340, 5208, 6218, 6510, 7440, 8680, 9327, 10416, 12436, 13020, 15545, 17360, 18654, 21763, 24872, 26040, 31090, 37308, 43526, 46635, 49744, 52080, 62180, 65289, 74616, 87052, 93270, 96379, 108815, 124360, 130578, 149232, 174104, 186540, 192758, 217630, 248720, 261156, 289137, 326445, 348208, 373080, 385516, 435260, 481895, 522312, 578274, 652890, 674653, 746160, 771032, 870520, 963790, 1044624, 1156548, 1305780, 1349306, 1445685, 1542064, 1741040, 1927580, 2023959, 2313096, 2611560, 2698612, 2891370, 3373265, 3855160, 4047918, 4626192, 5223120, 5397224, 5782740, 6746530, 7710320, 8095836, 10119795, 10794448, 11565480, 13493060, 16191672, 20239590, 23130960, 26986120, 32383344, 40479180, 53972240, 80958360, 161916720]

約数ペア:

[(1, 161916720), (2, 80958360), (3, 53972240), (4, 40479180), (5, 32383344), (6, 26986120), (7, 23130960), (8, 20239590), (10, 16191672), (12, 13493060), (14, 11565480), (15, 10794448), (16, 10119795), (20, 8095836), (21, 7710320), (24, 6746530), (28, 5782740), (30, 5397224), (31, 5223120), (35, 4626192), (40, 4047918), (42, 3855160), (48, 3373265), (56, 2891370), (60, 2698612), (62, 2611560), (70, 2313096), (80, 2023959), (84, 1927580), (93, 1741040), (105, 1542064), (112, 1445685), (120, 1349306), (124, 1305780), (140, 1156548), (155, 1044624), (168, 963790), (186, 870520), (210, 771032), (217, 746160), (240, 674653), (248, 652890), (280, 578274), (310, 522312), (336, 481895), (372, 435260), (420, 385516), (434, 373080), (465, 348208), (496, 326445), (560, 289137), (620, 261156), (651, 248720), (744, 217630), (840, 192758), (868, 186540), (930, 174104), (1085, 149232), (1240, 130578), (1302, 124360), (1488, 108815), (1680, 96379), (1736, 93270), (1860, 87052), (2170, 74616), (2480, 65289), (2604, 62180), (3109, 52080), (3255, 49744), (3472, 46635), (3720, 43526), (4340, 37308), (5208, 31090), (6218, 26040), (6510, 24872), (7440, 21763), (8680, 18654), (9327, 17360), (10416, 15545), (12436, 13020)]