261333540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12409}}^1$

素因数の和:12443

約数の個数: 120

約数和(自身を含む): 882946680

約数和(自身を除く): 621613140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 260, 270, 324, 351, 390, 405, 468, 540, 585, 702, 780, 810, 1053, 1170, 1404, 1620, 1755, 2106, 2340, 3510, 4212, 5265, 7020, 10530, 12409, 21060, 24818, 37227, 49636, 62045, 74454, 111681, 124090, 148908, 161317, 186135, 223362, 248180, 322634, 335043, 372270, 446724, 483951, 558405, 645268, 670086, 744540, 806585, 967902, 1005129, 1116810, 1340172, 1451853, 1613170, 1675215, 1935804, 2010258, 2233620, 2419755, 2903706, 3226340, 3350430, 4020516, 4355559, 4839510, 5025645, 5807412, 6700860, 7259265, 8711118, 9679020, 10051290, 13066677, 14518530, 17422236, 20102580, 21777795, 26133354, 29037060, 43555590, 52266708, 65333385, 87111180, 130666770, 261333540]

約数ペア:

[(1, 261333540), (2, 130666770), (3, 87111180), (4, 65333385), (5, 52266708), (6, 43555590), (9, 29037060), (10, 26133354), (12, 21777795), (13, 20102580), (15, 17422236), (18, 14518530), (20, 13066677), (26, 10051290), (27, 9679020), (30, 8711118), (36, 7259265), (39, 6700860), (45, 5807412), (52, 5025645), (54, 4839510), (60, 4355559), (65, 4020516), (78, 3350430), (81, 3226340), (90, 2903706), (108, 2419755), (117, 2233620), (130, 2010258), (135, 1935804), (156, 1675215), (162, 1613170), (180, 1451853), (195, 1340172), (234, 1116810), (260, 1005129), (270, 967902), (324, 806585), (351, 744540), (390, 670086), (405, 645268), (468, 558405), (540, 483951), (585, 446724), (702, 372270), (780, 335043), (810, 322634), (1053, 248180), (1170, 223362), (1404, 186135), (1620, 161317), (1755, 148908), (2106, 124090), (2340, 111681), (3510, 74454), (4212, 62045), (5265, 49636), (7020, 37227), (10530, 24818), (12409, 21060)]