123719220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:354

約数の個数: 144

約数和(自身を含む): 393316560

約数和(自身を除く): 269597340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 137, 145, 173, 174, 180, 261, 274, 290, 346, 348, 411, 435, 519, 522, 548, 580, 685, 692, 822, 865, 870, 1038, 1044, 1233, 1305, 1370, 1557, 1644, 1730, 1740, 2055, 2076, 2466, 2595, 2610, 2740, 3114, 3460, 3973, 4110, 4932, 5017, 5190, 5220, 6165, 6228, 7785, 7946, 8220, 10034, 10380, 11919, 12330, 15051, 15570, 15892, 19865, 20068, 23701, 23838, 24660, 25085, 30102, 31140, 35757, 39730, 45153, 47402, 47676, 50170, 59595, 60204, 71103, 71514, 75255, 79460, 90306, 94804, 100340, 118505, 119190, 142206, 143028, 150510, 178785, 180612, 213309, 225765, 237010, 238380, 284412, 301020, 355515, 357570, 426618, 451530, 474020, 687329, 711030, 715140, 853236, 903060, 1066545, 1374658, 1422060, 2061987, 2133090, 2749316, 3436645, 4123974, 4266180, 6185961, 6873290, 8247948, 10309935, 12371922, 13746580, 20619870, 24743844, 30929805, 41239740, 61859610, 123719220]

約数ペア:

[(1, 123719220), (2, 61859610), (3, 41239740), (4, 30929805), (5, 24743844), (6, 20619870), (9, 13746580), (10, 12371922), (12, 10309935), (15, 8247948), (18, 6873290), (20, 6185961), (29, 4266180), (30, 4123974), (36, 3436645), (45, 2749316), (58, 2133090), (60, 2061987), (87, 1422060), (90, 1374658), (116, 1066545), (137, 903060), (145, 853236), (173, 715140), (174, 711030), (180, 687329), (261, 474020), (274, 451530), (290, 426618), (346, 357570), (348, 355515), (411, 301020), (435, 284412), (519, 238380), (522, 237010), (548, 225765), (580, 213309), (685, 180612), (692, 178785), (822, 150510), (865, 143028), (870, 142206), (1038, 119190), (1044, 118505), (1233, 100340), (1305, 94804), (1370, 90306), (1557, 79460), (1644, 75255), (1730, 71514), (1740, 71103), (2055, 60204), (2076, 59595), (2466, 50170), (2595, 47676), (2610, 47402), (2740, 45153), (3114, 39730), (3460, 35757), (3973, 31140), (4110, 30102), (4932, 25085), (5017, 24660), (5190, 23838), (5220, 23701), (6165, 20068), (6228, 19865), (7785, 15892), (7946, 15570), (8220, 15051), (10034, 12330), (10380, 11919)]