80620920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:339

約数の個数: 160

約数和(自身を含む): 274428000

約数和(自身を除く): 193807080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 149, 162, 167, 180, 216, 270, 298, 324, 334, 360, 405, 447, 501, 540, 596, 648, 668, 745, 810, 835, 894, 1002, 1080, 1192, 1336, 1341, 1490, 1503, 1620, 1670, 1788, 2004, 2235, 2505, 2682, 2980, 3006, 3240, 3340, 3576, 4008, 4023, 4470, 4509, 5010, 5364, 5960, 6012, 6680, 6705, 7515, 8046, 8940, 9018, 10020, 10728, 12024, 12069, 13410, 13527, 15030, 16092, 17880, 18036, 20040, 20115, 22545, 24138, 24883, 26820, 27054, 30060, 32184, 36072, 40230, 45090, 48276, 49766, 53640, 54108, 60120, 60345, 67635, 74649, 80460, 90180, 96552, 99532, 108216, 120690, 124415, 135270, 149298, 160920, 180360, 199064, 223947, 241380, 248830, 270540, 298596, 373245, 447894, 482760, 497660, 541080, 597192, 671841, 746490, 895788, 995320, 1119735, 1343682, 1492980, 1791576, 2015523, 2239470, 2687364, 2985960, 3359205, 4031046, 4478940, 5374728, 6718410, 8062092, 8957880, 10077615, 13436820, 16124184, 20155230, 26873640, 40310460, 80620920]

約数ペア:

[(1, 80620920), (2, 40310460), (3, 26873640), (4, 20155230), (5, 16124184), (6, 13436820), (8, 10077615), (9, 8957880), (10, 8062092), (12, 6718410), (15, 5374728), (18, 4478940), (20, 4031046), (24, 3359205), (27, 2985960), (30, 2687364), (36, 2239470), (40, 2015523), (45, 1791576), (54, 1492980), (60, 1343682), (72, 1119735), (81, 995320), (90, 895788), (108, 746490), (120, 671841), (135, 597192), (149, 541080), (162, 497660), (167, 482760), (180, 447894), (216, 373245), (270, 298596), (298, 270540), (324, 248830), (334, 241380), (360, 223947), (405, 199064), (447, 180360), (501, 160920), (540, 149298), (596, 135270), (648, 124415), (668, 120690), (745, 108216), (810, 99532), (835, 96552), (894, 90180), (1002, 80460), (1080, 74649), (1192, 67635), (1336, 60345), (1341, 60120), (1490, 54108), (1503, 53640), (1620, 49766), (1670, 48276), (1788, 45090), (2004, 40230), (2235, 36072), (2505, 32184), (2682, 30060), (2980, 27054), (3006, 26820), (3240, 24883), (3340, 24138), (3576, 22545), (4008, 20115), (4023, 20040), (4470, 18036), (4509, 17880), (5010, 16092), (5364, 15030), (5960, 13527), (6012, 13410), (6680, 12069), (6705, 12024), (7515, 10728), (8046, 10020), (8940, 9018)]