29989980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:153

約数の個数: 192

約数和(自身を含む): 102144000

約数和(自身を除く): 72154020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 37, 38, 45, 54, 57, 60, 74, 76, 79, 90, 95, 108, 111, 114, 135, 148, 158, 171, 180, 185, 190, 222, 228, 237, 270, 285, 316, 333, 342, 370, 380, 395, 444, 474, 513, 540, 555, 570, 666, 684, 703, 711, 740, 790, 855, 948, 999, 1026, 1110, 1140, 1185, 1332, 1406, 1422, 1501, 1580, 1665, 1710, 1998, 2052, 2109, 2133, 2220, 2370, 2565, 2812, 2844, 2923, 3002, 3330, 3420, 3515, 3555, 3996, 4218, 4266, 4503, 4740, 4995, 5130, 5846, 6004, 6327, 6660, 7030, 7110, 7505, 8436, 8532, 8769, 9006, 9990, 10260, 10545, 10665, 11692, 12654, 13509, 14060, 14220, 14615, 15010, 17538, 18012, 18981, 19980, 21090, 21330, 22515, 25308, 26307, 27018, 29230, 30020, 31635, 35076, 37962, 40527, 42180, 42660, 43845, 45030, 52614, 54036, 55537, 58460, 63270, 67545, 75924, 78921, 81054, 87690, 90060, 94905, 105228, 111074, 126540, 131535, 135090, 157842, 162108, 166611, 175380, 189810, 202635, 222148, 263070, 270180, 277685, 315684, 333222, 379620, 394605, 405270, 499833, 526140, 555370, 666444, 789210, 810540, 833055, 999666, 1110740, 1499499, 1578420, 1666110, 1999332, 2499165, 2998998, 3332220, 4998330, 5997996, 7497495, 9996660, 14994990, 29989980]

約数ペア:

[(1, 29989980), (2, 14994990), (3, 9996660), (4, 7497495), (5, 5997996), (6, 4998330), (9, 3332220), (10, 2998998), (12, 2499165), (15, 1999332), (18, 1666110), (19, 1578420), (20, 1499499), (27, 1110740), (30, 999666), (36, 833055), (37, 810540), (38, 789210), (45, 666444), (54, 555370), (57, 526140), (60, 499833), (74, 405270), (76, 394605), (79, 379620), (90, 333222), (95, 315684), (108, 277685), (111, 270180), (114, 263070), (135, 222148), (148, 202635), (158, 189810), (171, 175380), (180, 166611), (185, 162108), (190, 157842), (222, 135090), (228, 131535), (237, 126540), (270, 111074), (285, 105228), (316, 94905), (333, 90060), (342, 87690), (370, 81054), (380, 78921), (395, 75924), (444, 67545), (474, 63270), (513, 58460), (540, 55537), (555, 54036), (570, 52614), (666, 45030), (684, 43845), (703, 42660), (711, 42180), (740, 40527), (790, 37962), (855, 35076), (948, 31635), (999, 30020), (1026, 29230), (1110, 27018), (1140, 26307), (1185, 25308), (1332, 22515), (1406, 21330), (1422, 21090), (1501, 19980), (1580, 18981), (1665, 18012), (1710, 17538), (1998, 15010), (2052, 14615), (2109, 14220), (2133, 14060), (2220, 13509), (2370, 12654), (2565, 11692), (2812, 10665), (2844, 10545), (2923, 10260), (3002, 9990), (3330, 9006), (3420, 8769), (3515, 8532), (3555, 8436), (3996, 7505), (4218, 7110), (4266, 7030), (4503, 6660), (4740, 6327), (4995, 6004), (5130, 5846)]