261337860

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1471}}^1$

素因数の和:1543

約数の個数: 192

約数和(自身を含む): 949616640

約数和(自身を除く): 688278780

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 47, 54, 60, 63, 70, 84, 90, 94, 105, 108, 126, 135, 140, 141, 180, 188, 189, 210, 235, 252, 270, 282, 315, 329, 378, 420, 423, 470, 540, 564, 630, 658, 705, 756, 846, 940, 945, 987, 1260, 1269, 1316, 1410, 1471, 1645, 1692, 1890, 1974, 2115, 2538, 2820, 2942, 2961, 3290, 3780, 3948, 4230, 4413, 4935, 5076, 5884, 5922, 6345, 6580, 7355, 8460, 8826, 8883, 9870, 10297, 11844, 12690, 13239, 14710, 14805, 17652, 17766, 19740, 20594, 22065, 25380, 26478, 29420, 29610, 30891, 35532, 39717, 41188, 44130, 44415, 51485, 52956, 59220, 61782, 66195, 69137, 79434, 88260, 88830, 92673, 102970, 123564, 132390, 138274, 154455, 158868, 177660, 185346, 198585, 205940, 207411, 264780, 276548, 278019, 308910, 345685, 370692, 397170, 414822, 463365, 483959, 556038, 617820, 622233, 691370, 794340, 829644, 926730, 967918, 1037055, 1112076, 1244466, 1382740, 1390095, 1451877, 1853460, 1866699, 1935836, 2074110, 2419795, 2488932, 2780190, 2903754, 3111165, 3733398, 4148220, 4355631, 4839590, 5560380, 5807508, 6222330, 7259385, 7466796, 8711262, 9333495, 9679180, 12444660, 13066893, 14518770, 17422524, 18666990, 21778155, 26133786, 29037540, 37333980, 43556310, 52267572, 65334465, 87112620, 130668930, 261337860]

約数ペア:

[(1, 261337860), (2, 130668930), (3, 87112620), (4, 65334465), (5, 52267572), (6, 43556310), (7, 37333980), (9, 29037540), (10, 26133786), (12, 21778155), (14, 18666990), (15, 17422524), (18, 14518770), (20, 13066893), (21, 12444660), (27, 9679180), (28, 9333495), (30, 8711262), (35, 7466796), (36, 7259385), (42, 6222330), (45, 5807508), (47, 5560380), (54, 4839590), (60, 4355631), (63, 4148220), (70, 3733398), (84, 3111165), (90, 2903754), (94, 2780190), (105, 2488932), (108, 2419795), (126, 2074110), (135, 1935836), (140, 1866699), (141, 1853460), (180, 1451877), (188, 1390095), (189, 1382740), (210, 1244466), (235, 1112076), (252, 1037055), (270, 967918), (282, 926730), (315, 829644), (329, 794340), (378, 691370), (420, 622233), (423, 617820), (470, 556038), (540, 483959), (564, 463365), (630, 414822), (658, 397170), (705, 370692), (756, 345685), (846, 308910), (940, 278019), (945, 276548), (987, 264780), (1260, 207411), (1269, 205940), (1316, 198585), (1410, 185346), (1471, 177660), (1645, 158868), (1692, 154455), (1890, 138274), (1974, 132390), (2115, 123564), (2538, 102970), (2820, 92673), (2942, 88830), (2961, 88260), (3290, 79434), (3780, 69137), (3948, 66195), (4230, 61782), (4413, 59220), (4935, 52956), (5076, 51485), (5884, 44415), (5922, 44130), (6345, 41188), (6580, 39717), (7355, 35532), (8460, 30891), (8826, 29610), (8883, 29420), (9870, 26478), (10297, 25380), (11844, 22065), (12690, 20594), (13239, 19740), (14710, 17766), (14805, 17652)]