18663240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:247

約数の個数: 128

約数和(自身を含む): 60134400

約数和(自身を除く): 41471160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 31, 40, 58, 60, 62, 87, 93, 116, 120, 124, 145, 155, 173, 174, 186, 232, 248, 290, 310, 346, 348, 372, 435, 465, 519, 580, 620, 692, 696, 744, 865, 870, 899, 930, 1038, 1160, 1240, 1384, 1730, 1740, 1798, 1860, 2076, 2595, 2697, 3460, 3480, 3596, 3720, 4152, 4495, 5017, 5190, 5363, 5394, 6920, 7192, 8990, 10034, 10380, 10726, 10788, 13485, 15051, 16089, 17980, 20068, 20760, 21452, 21576, 25085, 26815, 26970, 30102, 32178, 35960, 40136, 42904, 50170, 53630, 53940, 60204, 64356, 75255, 80445, 100340, 107260, 107880, 120408, 128712, 150510, 155527, 160890, 200680, 214520, 301020, 311054, 321780, 466581, 602040, 622108, 643560, 777635, 933162, 1244216, 1555270, 1866324, 2332905, 3110540, 3732648, 4665810, 6221080, 9331620, 18663240]

約数ペア:

[(1, 18663240), (2, 9331620), (3, 6221080), (4, 4665810), (5, 3732648), (6, 3110540), (8, 2332905), (10, 1866324), (12, 1555270), (15, 1244216), (20, 933162), (24, 777635), (29, 643560), (30, 622108), (31, 602040), (40, 466581), (58, 321780), (60, 311054), (62, 301020), (87, 214520), (93, 200680), (116, 160890), (120, 155527), (124, 150510), (145, 128712), (155, 120408), (173, 107880), (174, 107260), (186, 100340), (232, 80445), (248, 75255), (290, 64356), (310, 60204), (346, 53940), (348, 53630), (372, 50170), (435, 42904), (465, 40136), (519, 35960), (580, 32178), (620, 30102), (692, 26970), (696, 26815), (744, 25085), (865, 21576), (870, 21452), (899, 20760), (930, 20068), (1038, 17980), (1160, 16089), (1240, 15051), (1384, 13485), (1730, 10788), (1740, 10726), (1798, 10380), (1860, 10034), (2076, 8990), (2595, 7192), (2697, 6920), (3460, 5394), (3480, 5363), (3596, 5190), (3720, 5017), (4152, 4495)]