1820880120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{311}}^1\times {\mathrm{503}}^1$

素因数の和:925

約数の個数: 128

約数和(自身を含む): 5547709440

約数和(自身を除く): 3726829320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 311, 388, 485, 503, 582, 622, 776, 933, 970, 1006, 1164, 1244, 1455, 1509, 1555, 1866, 1940, 2012, 2328, 2488, 2515, 2910, 3018, 3110, 3732, 3880, 4024, 4665, 5030, 5820, 6036, 6220, 7464, 7545, 9330, 10060, 11640, 12072, 12440, 15090, 18660, 20120, 30167, 30180, 37320, 48791, 60334, 60360, 90501, 97582, 120668, 146373, 150835, 156433, 181002, 195164, 241336, 243955, 292746, 301670, 312866, 362004, 390328, 452505, 469299, 487910, 585492, 603340, 625732, 724008, 731865, 782165, 905010, 938598, 975820, 1170984, 1206680, 1251464, 1463730, 1564330, 1810020, 1877196, 1951640, 2346495, 2927460, 3128660, 3620040, 3754392, 4692990, 5854920, 6257320, 9385980, 15174001, 18771960, 30348002, 45522003, 60696004, 75870005, 91044006, 121392008, 151740010, 182088012, 227610015, 303480020, 364176024, 455220030, 606960040, 910440060, 1820880120]

約数ペア:

[(1, 1820880120), (2, 910440060), (3, 606960040), (4, 455220030), (5, 364176024), (6, 303480020), (8, 227610015), (10, 182088012), (12, 151740010), (15, 121392008), (20, 91044006), (24, 75870005), (30, 60696004), (40, 45522003), (60, 30348002), (97, 18771960), (120, 15174001), (194, 9385980), (291, 6257320), (311, 5854920), (388, 4692990), (485, 3754392), (503, 3620040), (582, 3128660), (622, 2927460), (776, 2346495), (933, 1951640), (970, 1877196), (1006, 1810020), (1164, 1564330), (1244, 1463730), (1455, 1251464), (1509, 1206680), (1555, 1170984), (1866, 975820), (1940, 938598), (2012, 905010), (2328, 782165), (2488, 731865), (2515, 724008), (2910, 625732), (3018, 603340), (3110, 585492), (3732, 487910), (3880, 469299), (4024, 452505), (4665, 390328), (5030, 362004), (5820, 312866), (6036, 301670), (6220, 292746), (7464, 243955), (7545, 241336), (9330, 195164), (10060, 181002), (11640, 156433), (12072, 150835), (12440, 146373), (15090, 120668), (18660, 97582), (20120, 90501), (30167, 60360), (30180, 60334), (37320, 48791)]