26397540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:446

約数の個数: 144

約数和(自身を含む): 89434800

約数和(自身を除く): 63037260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 29, 30, 36, 39, 45, 52, 58, 60, 65, 78, 87, 90, 116, 117, 130, 145, 156, 174, 180, 195, 234, 260, 261, 290, 348, 377, 389, 390, 435, 468, 522, 580, 585, 754, 778, 780, 870, 1044, 1131, 1167, 1170, 1305, 1508, 1556, 1740, 1885, 1945, 2262, 2334, 2340, 2610, 3393, 3501, 3770, 3890, 4524, 4668, 5057, 5220, 5655, 5835, 6786, 7002, 7540, 7780, 10114, 11281, 11310, 11670, 13572, 14004, 15171, 16965, 17505, 20228, 22562, 22620, 23340, 25285, 30342, 33843, 33930, 35010, 45124, 45513, 50570, 56405, 60684, 67686, 67860, 70020, 75855, 91026, 101140, 101529, 112810, 135372, 146653, 151710, 169215, 182052, 203058, 225620, 227565, 293306, 303420, 338430, 406116, 439959, 455130, 507645, 586612, 676860, 733265, 879918, 910260, 1015290, 1319877, 1466530, 1759836, 2030580, 2199795, 2639754, 2933060, 4399590, 5279508, 6599385, 8799180, 13198770, 26397540]

約数ペア:

[(1, 26397540), (2, 13198770), (3, 8799180), (4, 6599385), (5, 5279508), (6, 4399590), (9, 2933060), (10, 2639754), (12, 2199795), (13, 2030580), (15, 1759836), (18, 1466530), (20, 1319877), (26, 1015290), (29, 910260), (30, 879918), (36, 733265), (39, 676860), (45, 586612), (52, 507645), (58, 455130), (60, 439959), (65, 406116), (78, 338430), (87, 303420), (90, 293306), (116, 227565), (117, 225620), (130, 203058), (145, 182052), (156, 169215), (174, 151710), (180, 146653), (195, 135372), (234, 112810), (260, 101529), (261, 101140), (290, 91026), (348, 75855), (377, 70020), (389, 67860), (390, 67686), (435, 60684), (468, 56405), (522, 50570), (580, 45513), (585, 45124), (754, 35010), (778, 33930), (780, 33843), (870, 30342), (1044, 25285), (1131, 23340), (1167, 22620), (1170, 22562), (1305, 20228), (1508, 17505), (1556, 16965), (1740, 15171), (1885, 14004), (1945, 13572), (2262, 11670), (2334, 11310), (2340, 11281), (2610, 10114), (3393, 7780), (3501, 7540), (3770, 7002), (3890, 6786), (4524, 5835), (4668, 5655), (5057, 5220)]