291751740

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{977}}^1$

素因数の和:1081

約数の個数: 192

約数和(自身を含む): 1051545600

約数和(自身を除く): 759793860

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, 54, 60, 63, 70, 79, 84, 90, 105, 108, 126, 135, 140, 158, 180, 189, 210, 237, 252, 270, 315, 316, 378, 395, 420, 474, 540, 553, 630, 711, 756, 790, 945, 948, 977, 1106, 1185, 1260, 1422, 1580, 1659, 1890, 1954, 2133, 2212, 2370, 2765, 2844, 2931, 3318, 3555, 3780, 3908, 4266, 4740, 4885, 4977, 5530, 5862, 6636, 6839, 7110, 8295, 8532, 8793, 9770, 9954, 10665, 11060, 11724, 13678, 14220, 14655, 14931, 16590, 17586, 19540, 19908, 20517, 21330, 24885, 26379, 27356, 29310, 29862, 33180, 34195, 35172, 41034, 42660, 43965, 49770, 52758, 58620, 59724, 61551, 68390, 74655, 77183, 82068, 87930, 99540, 102585, 105516, 123102, 131895, 136780, 149310, 154366, 175860, 184653, 205170, 231549, 246204, 263790, 298620, 307755, 308732, 369306, 385915, 410340, 463098, 527580, 540281, 615510, 694647, 738612, 771830, 923265, 926196, 1080562, 1157745, 1231020, 1389294, 1543660, 1620843, 1846530, 2083941, 2161124, 2315490, 2701405, 2778588, 3241686, 3473235, 3693060, 4167882, 4630980, 4862529, 5402810, 6483372, 6946470, 8104215, 8335764, 9725058, 10419705, 10805620, 13892940, 14587587, 16208430, 19450116, 20839410, 24312645, 29175174, 32416860, 41678820, 48625290, 58350348, 72937935, 97250580, 145875870, 291751740]

約数ペア:

[(1, 291751740), (2, 145875870), (3, 97250580), (4, 72937935), (5, 58350348), (6, 48625290), (7, 41678820), (9, 32416860), (10, 29175174), (12, 24312645), (14, 20839410), (15, 19450116), (18, 16208430), (20, 14587587), (21, 13892940), (27, 10805620), (28, 10419705), (30, 9725058), (35, 8335764), (36, 8104215), (42, 6946470), (45, 6483372), (54, 5402810), (60, 4862529), (63, 4630980), (70, 4167882), (79, 3693060), (84, 3473235), (90, 3241686), (105, 2778588), (108, 2701405), (126, 2315490), (135, 2161124), (140, 2083941), (158, 1846530), (180, 1620843), (189, 1543660), (210, 1389294), (237, 1231020), (252, 1157745), (270, 1080562), (315, 926196), (316, 923265), (378, 771830), (395, 738612), (420, 694647), (474, 615510), (540, 540281), (553, 527580), (630, 463098), (711, 410340), (756, 385915), (790, 369306), (945, 308732), (948, 307755), (977, 298620), (1106, 263790), (1185, 246204), (1260, 231549), (1422, 205170), (1580, 184653), (1659, 175860), (1890, 154366), (1954, 149310), (2133, 136780), (2212, 131895), (2370, 123102), (2765, 105516), (2844, 102585), (2931, 99540), (3318, 87930), (3555, 82068), (3780, 77183), (3908, 74655), (4266, 68390), (4740, 61551), (4885, 59724), (4977, 58620), (5530, 52758), (5862, 49770), (6636, 43965), (6839, 42660), (7110, 41034), (8295, 35172), (8532, 34195), (8793, 33180), (9770, 29862), (9954, 29310), (10665, 27356), (11060, 26379), (11724, 24885), (13678, 21330), (14220, 20517), (14655, 19908), (14931, 19540), (16590, 17586)]