261113580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{839}}^1$

素因数の和:893

約数の個数: 288

約数和(自身を含む): 1027353600

約数和(自身を除く): 766240020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 19, 20, 21, 26, 28, 30, 35, 36, 38, 39, 42, 45, 52, 57, 60, 63, 65, 70, 76, 78, 84, 90, 91, 95, 105, 114, 117, 126, 130, 133, 140, 156, 171, 180, 182, 190, 195, 210, 228, 234, 247, 252, 260, 266, 273, 285, 315, 342, 364, 380, 390, 399, 420, 455, 468, 494, 532, 546, 570, 585, 630, 665, 684, 741, 780, 798, 819, 839, 855, 910, 988, 1092, 1140, 1170, 1197, 1235, 1260, 1330, 1365, 1482, 1596, 1638, 1678, 1710, 1729, 1820, 1995, 2223, 2340, 2394, 2470, 2517, 2660, 2730, 2964, 3276, 3356, 3420, 3458, 3705, 3990, 4095, 4195, 4446, 4788, 4940, 5034, 5187, 5460, 5873, 5985, 6916, 7410, 7551, 7980, 8190, 8390, 8645, 8892, 10068, 10374, 10907, 11115, 11746, 11970, 12585, 14820, 15102, 15561, 15941, 16380, 16780, 17290, 17619, 20748, 21814, 22230, 23492, 23940, 25170, 25935, 29365, 30204, 31122, 31882, 32721, 34580, 35238, 37755, 43628, 44460, 47823, 50340, 51870, 52857, 54535, 58730, 62244, 63764, 65442, 70476, 75510, 76349, 77805, 79705, 88095, 95646, 98163, 103740, 105714, 109070, 111587, 117460, 130884, 143469, 151020, 152698, 155610, 159410, 163605, 176190, 191292, 196326, 207233, 211428, 218140, 223174, 229047, 239115, 264285, 286938, 305396, 311220, 318820, 327210, 334761, 352380, 381745, 392652, 414466, 446348, 458094, 478230, 490815, 528570, 557935, 573876, 621699, 654420, 669522, 687141, 717345, 763490, 828932, 916188, 956460, 981630, 1004283, 1036165, 1057140, 1115870, 1145235, 1243398, 1339044, 1374282, 1434690, 1450631, 1526980, 1673805, 1865097, 1963260, 2008566, 2072330, 2231740, 2290470, 2486796, 2748564, 2869380, 2901262, 3108495, 3347610, 3435705, 3730194, 4017132, 4144660, 4351893, 4580940, 5021415, 5802524, 6216990, 6695220, 6871410, 7253155, 7460388, 8703786, 9325485, 10042830, 12433980, 13055679, 13742820, 14506310, 17407572, 18650970, 20085660, 21759465, 26111358, 29012620, 37301940, 43518930, 52222716, 65278395, 87037860, 130556790, 261113580]

約数ペア:

[(1, 261113580), (2, 130556790), (3, 87037860), (4, 65278395), (5, 52222716), (6, 43518930), (7, 37301940), (9, 29012620), (10, 26111358), (12, 21759465), (13, 20085660), (14, 18650970), (15, 17407572), (18, 14506310), (19, 13742820), (20, 13055679), (21, 12433980), (26, 10042830), (28, 9325485), (30, 8703786), (35, 7460388), (36, 7253155), (38, 6871410), (39, 6695220), (42, 6216990), (45, 5802524), (52, 5021415), (57, 4580940), (60, 4351893), (63, 4144660), (65, 4017132), (70, 3730194), (76, 3435705), (78, 3347610), (84, 3108495), (90, 2901262), (91, 2869380), (95, 2748564), (105, 2486796), (114, 2290470), (117, 2231740), (126, 2072330), (130, 2008566), (133, 1963260), (140, 1865097), (156, 1673805), (171, 1526980), (180, 1450631), (182, 1434690), (190, 1374282), (195, 1339044), (210, 1243398), (228, 1145235), (234, 1115870), (247, 1057140), (252, 1036165), (260, 1004283), (266, 981630), (273, 956460), (285, 916188), (315, 828932), (342, 763490), (364, 717345), (380, 687141), (390, 669522), (399, 654420), (420, 621699), (455, 573876), (468, 557935), (494, 528570), (532, 490815), (546, 478230), (570, 458094), (585, 446348), (630, 414466), (665, 392652), (684, 381745), (741, 352380), (780, 334761), (798, 327210), (819, 318820), (839, 311220), (855, 305396), (910, 286938), (988, 264285), (1092, 239115), (1140, 229047), (1170, 223174), (1197, 218140), (1235, 211428), (1260, 207233), (1330, 196326), (1365, 191292), (1482, 176190), (1596, 163605), (1638, 159410), (1678, 155610), (1710, 152698), (1729, 151020), (1820, 143469), (1995, 130884), (2223, 117460), (2340, 111587), (2394, 109070), (2470, 105714), (2517, 103740), (2660, 98163), (2730, 95646), (2964, 88095), (3276, 79705), (3356, 77805), (3420, 76349), (3458, 75510), (3705, 70476), (3990, 65442), (4095, 63764), (4195, 62244), (4446, 58730), (4788, 54535), (4940, 52857), (5034, 51870), (5187, 50340), (5460, 47823), (5873, 44460), (5985, 43628), (6916, 37755), (7410, 35238), (7551, 34580), (7980, 32721), (8190, 31882), (8390, 31122), (8645, 30204), (8892, 29365), (10068, 25935), (10374, 25170), (10907, 23940), (11115, 23492), (11746, 22230), (11970, 21814), (12585, 20748), (14820, 17619), (15102, 17290), (15561, 16780), (15941, 16380)]