254689020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{503}}^1$

素因数の和:644

約数の個数: 144

約数和(自身を含む): 809040960

約数和(自身を除く): 554351940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 97, 116, 145, 174, 180, 194, 261, 290, 291, 348, 388, 435, 485, 503, 522, 580, 582, 870, 873, 970, 1006, 1044, 1164, 1305, 1455, 1509, 1740, 1746, 1940, 2012, 2515, 2610, 2813, 2910, 3018, 3492, 4365, 4527, 5030, 5220, 5626, 5820, 6036, 7545, 8439, 8730, 9054, 10060, 11252, 14065, 14587, 15090, 16878, 17460, 18108, 22635, 25317, 28130, 29174, 30180, 33756, 42195, 43761, 45270, 48791, 50634, 56260, 58348, 72935, 84390, 87522, 90540, 97582, 101268, 126585, 131283, 145870, 146373, 168780, 175044, 195164, 218805, 243955, 253170, 262566, 291740, 292746, 437610, 439119, 487910, 506340, 525132, 585492, 656415, 731865, 875220, 878238, 975820, 1312830, 1414939, 1463730, 1756476, 2195595, 2625660, 2829878, 2927460, 4244817, 4391190, 5659756, 7074695, 8489634, 8782380, 12734451, 14149390, 16979268, 21224085, 25468902, 28298780, 42448170, 50937804, 63672255, 84896340, 127344510, 254689020]

約数ペア:

[(1, 254689020), (2, 127344510), (3, 84896340), (4, 63672255), (5, 50937804), (6, 42448170), (9, 28298780), (10, 25468902), (12, 21224085), (15, 16979268), (18, 14149390), (20, 12734451), (29, 8782380), (30, 8489634), (36, 7074695), (45, 5659756), (58, 4391190), (60, 4244817), (87, 2927460), (90, 2829878), (97, 2625660), (116, 2195595), (145, 1756476), (174, 1463730), (180, 1414939), (194, 1312830), (261, 975820), (290, 878238), (291, 875220), (348, 731865), (388, 656415), (435, 585492), (485, 525132), (503, 506340), (522, 487910), (580, 439119), (582, 437610), (870, 292746), (873, 291740), (970, 262566), (1006, 253170), (1044, 243955), (1164, 218805), (1305, 195164), (1455, 175044), (1509, 168780), (1740, 146373), (1746, 145870), (1940, 131283), (2012, 126585), (2515, 101268), (2610, 97582), (2813, 90540), (2910, 87522), (3018, 84390), (3492, 72935), (4365, 58348), (4527, 56260), (5030, 50634), (5220, 48791), (5626, 45270), (5820, 43761), (6036, 42195), (7545, 33756), (8439, 30180), (8730, 29174), (9054, 28130), (10060, 25317), (11252, 22635), (14065, 18108), (14587, 17460), (15090, 16878)]