38581020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:452

約数の個数: 144

約数和(自身を含む): 127764000

約数和(自身を除く): 89182980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 29, 30, 36, 38, 45, 57, 58, 60, 76, 87, 90, 95, 114, 116, 145, 171, 174, 180, 190, 228, 261, 285, 290, 342, 348, 380, 389, 435, 522, 551, 570, 580, 684, 778, 855, 870, 1044, 1102, 1140, 1167, 1305, 1556, 1653, 1710, 1740, 1945, 2204, 2334, 2610, 2755, 3306, 3420, 3501, 3890, 4668, 4959, 5220, 5510, 5835, 6612, 7002, 7391, 7780, 8265, 9918, 11020, 11281, 11670, 14004, 14782, 16530, 17505, 19836, 22173, 22562, 23340, 24795, 29564, 33060, 33843, 35010, 36955, 44346, 45124, 49590, 56405, 66519, 67686, 70020, 73910, 88692, 99180, 101529, 110865, 112810, 133038, 135372, 147820, 169215, 203058, 214339, 221730, 225620, 266076, 332595, 338430, 406116, 428678, 443460, 507645, 643017, 665190, 676860, 857356, 1015290, 1071695, 1286034, 1330380, 1929051, 2030580, 2143390, 2572068, 3215085, 3858102, 4286780, 6430170, 7716204, 9645255, 12860340, 19290510, 38581020]

約数ペア:

[(1, 38581020), (2, 19290510), (3, 12860340), (4, 9645255), (5, 7716204), (6, 6430170), (9, 4286780), (10, 3858102), (12, 3215085), (15, 2572068), (18, 2143390), (19, 2030580), (20, 1929051), (29, 1330380), (30, 1286034), (36, 1071695), (38, 1015290), (45, 857356), (57, 676860), (58, 665190), (60, 643017), (76, 507645), (87, 443460), (90, 428678), (95, 406116), (114, 338430), (116, 332595), (145, 266076), (171, 225620), (174, 221730), (180, 214339), (190, 203058), (228, 169215), (261, 147820), (285, 135372), (290, 133038), (342, 112810), (348, 110865), (380, 101529), (389, 99180), (435, 88692), (522, 73910), (551, 70020), (570, 67686), (580, 66519), (684, 56405), (778, 49590), (855, 45124), (870, 44346), (1044, 36955), (1102, 35010), (1140, 33843), (1167, 33060), (1305, 29564), (1556, 24795), (1653, 23340), (1710, 22562), (1740, 22173), (1945, 19836), (2204, 17505), (2334, 16530), (2610, 14782), (2755, 14004), (3306, 11670), (3420, 11281), (3501, 11020), (3890, 9918), (4668, 8265), (4959, 7780), (5220, 7391), (5510, 7002), (5835, 6612)]