28401840

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{487}}^1$

素因数の和:518

約数の個数: 140

約数和(自身を含む): 99209424

約数和(自身を除く): 70807584

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 487, 540, 648, 720, 729, 810, 972, 974, 1080, 1215, 1296, 1458, 1461, 1620, 1944, 1948, 2160, 2430, 2435, 2916, 2922, 3240, 3645, 3888, 3896, 4383, 4860, 4870, 5832, 5844, 6480, 7290, 7305, 7792, 8766, 9720, 9740, 11664, 11688, 13149, 14580, 14610, 17532, 19440, 19480, 21915, 23376, 26298, 29160, 29220, 35064, 38960, 39447, 43830, 52596, 58320, 58440, 65745, 70128, 78894, 87660, 105192, 116880, 118341, 131490, 157788, 175320, 197235, 210384, 236682, 262980, 315576, 350640, 355023, 394470, 473364, 525960, 591705, 631152, 710046, 788940, 946728, 1051920, 1183410, 1420092, 1577880, 1775115, 1893456, 2366820, 2840184, 3155760, 3550230, 4733640, 5680368, 7100460, 9467280, 14200920, 28401840]

約数ペア:

[(1, 28401840), (2, 14200920), (3, 9467280), (4, 7100460), (5, 5680368), (6, 4733640), (8, 3550230), (9, 3155760), (10, 2840184), (12, 2366820), (15, 1893456), (16, 1775115), (18, 1577880), (20, 1420092), (24, 1183410), (27, 1051920), (30, 946728), (36, 788940), (40, 710046), (45, 631152), (48, 591705), (54, 525960), (60, 473364), (72, 394470), (80, 355023), (81, 350640), (90, 315576), (108, 262980), (120, 236682), (135, 210384), (144, 197235), (162, 175320), (180, 157788), (216, 131490), (240, 118341), (243, 116880), (270, 105192), (324, 87660), (360, 78894), (405, 70128), (432, 65745), (486, 58440), (487, 58320), (540, 52596), (648, 43830), (720, 39447), (729, 38960), (810, 35064), (972, 29220), (974, 29160), (1080, 26298), (1215, 23376), (1296, 21915), (1458, 19480), (1461, 19440), (1620, 17532), (1944, 14610), (1948, 14580), (2160, 13149), (2430, 11688), (2435, 11664), (2916, 9740), (2922, 9720), (3240, 8766), (3645, 7792), (3888, 7305), (3896, 7290), (4383, 6480), (4860, 5844), (4870, 5832)]