27994860

素因数分解:

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

素因数の和:248

約数の個数: 144

約数和(自身を含む): 91203840

約数和(自身を除く): 63208980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 31, 36, 45, 58, 60, 62, 87, 90, 93, 116, 124, 145, 155, 173, 174, 180, 186, 261, 279, 290, 310, 346, 348, 372, 435, 465, 519, 522, 558, 580, 620, 692, 865, 870, 899, 930, 1038, 1044, 1116, 1305, 1395, 1557, 1730, 1740, 1798, 1860, 2076, 2595, 2610, 2697, 2790, 3114, 3460, 3596, 4495, 5017, 5190, 5220, 5363, 5394, 5580, 6228, 7785, 8091, 8990, 10034, 10380, 10726, 10788, 13485, 15051, 15570, 16089, 16182, 17980, 20068, 21452, 25085, 26815, 26970, 30102, 31140, 32178, 32364, 40455, 45153, 48267, 50170, 53630, 53940, 60204, 64356, 75255, 80445, 80910, 90306, 96534, 100340, 107260, 150510, 155527, 160890, 161820, 180612, 193068, 225765, 241335, 301020, 311054, 321780, 451530, 466581, 482670, 622108, 777635, 903060, 933162, 965340, 1399743, 1555270, 1866324, 2332905, 2799486, 3110540, 4665810, 5598972, 6998715, 9331620, 13997430, 27994860]

約数ペア:

[(1, 27994860), (2, 13997430), (3, 9331620), (4, 6998715), (5, 5598972), (6, 4665810), (9, 3110540), (10, 2799486), (12, 2332905), (15, 1866324), (18, 1555270), (20, 1399743), (29, 965340), (30, 933162), (31, 903060), (36, 777635), (45, 622108), (58, 482670), (60, 466581), (62, 451530), (87, 321780), (90, 311054), (93, 301020), (116, 241335), (124, 225765), (145, 193068), (155, 180612), (173, 161820), (174, 160890), (180, 155527), (186, 150510), (261, 107260), (279, 100340), (290, 96534), (310, 90306), (346, 80910), (348, 80445), (372, 75255), (435, 64356), (465, 60204), (519, 53940), (522, 53630), (558, 50170), (580, 48267), (620, 45153), (692, 40455), (865, 32364), (870, 32178), (899, 31140), (930, 30102), (1038, 26970), (1044, 26815), (1116, 25085), (1305, 21452), (1395, 20068), (1557, 17980), (1730, 16182), (1740, 16089), (1798, 15570), (1860, 15051), (2076, 13485), (2595, 10788), (2610, 10726), (2697, 10380), (2790, 10034), (3114, 8990), (3460, 8091), (3596, 7785), (4495, 6228), (5017, 5580), (5190, 5394), (5220, 5363)]