8487720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:320

約数の個数: 128

約数和(自身を含む): 29376000

約数和(自身を除く): 20888280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 40, 45, 54, 58, 60, 72, 87, 90, 108, 116, 120, 135, 145, 174, 180, 216, 232, 261, 270, 271, 290, 348, 360, 435, 522, 540, 542, 580, 696, 783, 813, 870, 1044, 1080, 1084, 1160, 1305, 1355, 1566, 1626, 1740, 2088, 2168, 2439, 2610, 2710, 3132, 3252, 3480, 3915, 4065, 4878, 5220, 5420, 6264, 6504, 7317, 7830, 7859, 8130, 9756, 10440, 10840, 12195, 14634, 15660, 15718, 16260, 19512, 23577, 24390, 29268, 31320, 31436, 32520, 36585, 39295, 47154, 48780, 58536, 62872, 70731, 73170, 78590, 94308, 97560, 117885, 141462, 146340, 157180, 188616, 212193, 235770, 282924, 292680, 314360, 353655, 424386, 471540, 565848, 707310, 848772, 943080, 1060965, 1414620, 1697544, 2121930, 2829240, 4243860, 8487720]

約数ペア:

[(1, 8487720), (2, 4243860), (3, 2829240), (4, 2121930), (5, 1697544), (6, 1414620), (8, 1060965), (9, 943080), (10, 848772), (12, 707310), (15, 565848), (18, 471540), (20, 424386), (24, 353655), (27, 314360), (29, 292680), (30, 282924), (36, 235770), (40, 212193), (45, 188616), (54, 157180), (58, 146340), (60, 141462), (72, 117885), (87, 97560), (90, 94308), (108, 78590), (116, 73170), (120, 70731), (135, 62872), (145, 58536), (174, 48780), (180, 47154), (216, 39295), (232, 36585), (261, 32520), (270, 31436), (271, 31320), (290, 29268), (348, 24390), (360, 23577), (435, 19512), (522, 16260), (540, 15718), (542, 15660), (580, 14634), (696, 12195), (783, 10840), (813, 10440), (870, 9756), (1044, 8130), (1080, 7859), (1084, 7830), (1160, 7317), (1305, 6504), (1355, 6264), (1566, 5420), (1626, 5220), (1740, 4878), (2088, 4065), (2168, 3915), (2439, 3480), (2610, 3252), (2710, 3132)]