1238905080

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15859}}^1$

素因数の和:15914

約数の個数: 192

約数和(自身を含む): 4750387200

約数和(自身を除く): 3511482120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 120, 124, 126, 140, 155, 168, 180, 186, 210, 217, 248, 252, 279, 280, 310, 315, 360, 372, 420, 434, 465, 504, 558, 620, 630, 651, 744, 840, 868, 930, 1085, 1116, 1240, 1260, 1302, 1395, 1736, 1860, 1953, 2170, 2232, 2520, 2604, 2790, 3255, 3720, 3906, 4340, 5208, 5580, 6510, 7812, 8680, 9765, 11160, 13020, 15624, 15859, 19530, 26040, 31718, 39060, 47577, 63436, 78120, 79295, 95154, 111013, 126872, 142731, 158590, 190308, 222026, 237885, 285462, 317180, 333039, 380616, 444052, 475770, 491629, 555065, 570924, 634360, 666078, 713655, 888104, 951540, 983258, 999117, 1110130, 1141848, 1332156, 1427310, 1474887, 1665195, 1903080, 1966516, 1998234, 2220260, 2458145, 2664312, 2854620, 2949774, 3330390, 3441403, 3933032, 3996468, 4424661, 4440520, 4916290, 4995585, 5709240, 5899548, 6660780, 6882806, 7374435, 7992936, 8849322, 9832580, 9991170, 10324209, 11799096, 13321560, 13765612, 14748870, 17207015, 17698644, 19665160, 19982340, 20648418, 22123305, 27531224, 29497740, 30972627, 34414030, 35397288, 39964680, 41296836, 44246610, 51621045, 58995480, 61945254, 68828060, 82593672, 88493220, 103242090, 123890508, 137656120, 154863135, 176986440, 206484180, 247781016, 309726270, 412968360, 619452540, 1238905080]

約数ペア:

[(1, 1238905080), (2, 619452540), (3, 412968360), (4, 309726270), (5, 247781016), (6, 206484180), (7, 176986440), (8, 154863135), (9, 137656120), (10, 123890508), (12, 103242090), (14, 88493220), (15, 82593672), (18, 68828060), (20, 61945254), (21, 58995480), (24, 51621045), (28, 44246610), (30, 41296836), (31, 39964680), (35, 35397288), (36, 34414030), (40, 30972627), (42, 29497740), (45, 27531224), (56, 22123305), (60, 20648418), (62, 19982340), (63, 19665160), (70, 17698644), (72, 17207015), (84, 14748870), (90, 13765612), (93, 13321560), (105, 11799096), (120, 10324209), (124, 9991170), (126, 9832580), (140, 8849322), (155, 7992936), (168, 7374435), (180, 6882806), (186, 6660780), (210, 5899548), (217, 5709240), (248, 4995585), (252, 4916290), (279, 4440520), (280, 4424661), (310, 3996468), (315, 3933032), (360, 3441403), (372, 3330390), (420, 2949774), (434, 2854620), (465, 2664312), (504, 2458145), (558, 2220260), (620, 1998234), (630, 1966516), (651, 1903080), (744, 1665195), (840, 1474887), (868, 1427310), (930, 1332156), (1085, 1141848), (1116, 1110130), (1240, 999117), (1260, 983258), (1302, 951540), (1395, 888104), (1736, 713655), (1860, 666078), (1953, 634360), (2170, 570924), (2232, 555065), (2520, 491629), (2604, 475770), (2790, 444052), (3255, 380616), (3720, 333039), (3906, 317180), (4340, 285462), (5208, 237885), (5580, 222026), (6510, 190308), (7812, 158590), (8680, 142731), (9765, 126872), (11160, 111013), (13020, 95154), (15624, 79295), (15859, 78120), (19530, 63436), (26040, 47577), (31718, 39060)]