8127540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:223

約数の個数: 120

約数和(自身を含む): 26528040

約数和(自身を除く): 18400500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 81, 87, 90, 108, 116, 135, 145, 162, 173, 174, 180, 261, 270, 290, 324, 346, 348, 405, 435, 519, 522, 540, 580, 692, 783, 810, 865, 870, 1038, 1044, 1305, 1557, 1566, 1620, 1730, 1740, 2076, 2349, 2595, 2610, 3114, 3132, 3460, 3915, 4671, 4698, 5017, 5190, 5220, 6228, 7785, 7830, 9342, 9396, 10034, 10380, 11745, 14013, 15051, 15570, 15660, 18684, 20068, 23355, 23490, 25085, 28026, 30102, 31140, 45153, 46710, 46980, 50170, 56052, 60204, 70065, 75255, 90306, 93420, 100340, 135459, 140130, 150510, 180612, 225765, 270918, 280260, 301020, 406377, 451530, 541836, 677295, 812754, 903060, 1354590, 1625508, 2031885, 2709180, 4063770, 8127540]

約数ペア:

[(1, 8127540), (2, 4063770), (3, 2709180), (4, 2031885), (5, 1625508), (6, 1354590), (9, 903060), (10, 812754), (12, 677295), (15, 541836), (18, 451530), (20, 406377), (27, 301020), (29, 280260), (30, 270918), (36, 225765), (45, 180612), (54, 150510), (58, 140130), (60, 135459), (81, 100340), (87, 93420), (90, 90306), (108, 75255), (116, 70065), (135, 60204), (145, 56052), (162, 50170), (173, 46980), (174, 46710), (180, 45153), (261, 31140), (270, 30102), (290, 28026), (324, 25085), (346, 23490), (348, 23355), (405, 20068), (435, 18684), (519, 15660), (522, 15570), (540, 15051), (580, 14013), (692, 11745), (783, 10380), (810, 10034), (865, 9396), (870, 9342), (1038, 7830), (1044, 7785), (1305, 6228), (1557, 5220), (1566, 5190), (1620, 5017), (1730, 4698), (1740, 4671), (2076, 3915), (2349, 3460), (2595, 3132), (2610, 3114)]