220943280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:371

約数の個数: 160

約数和(自身を含む): 712454400

約数和(自身を除く): 491511120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 139, 148, 179, 185, 222, 240, 278, 296, 358, 370, 417, 444, 537, 555, 556, 592, 695, 716, 740, 834, 888, 895, 1074, 1110, 1112, 1390, 1432, 1480, 1668, 1776, 1790, 2085, 2148, 2220, 2224, 2685, 2780, 2864, 2960, 3336, 3580, 4170, 4296, 4440, 5143, 5370, 5560, 6623, 6672, 7160, 8340, 8592, 8880, 10286, 10740, 11120, 13246, 14320, 15429, 16680, 19869, 20572, 21480, 24881, 25715, 26492, 30858, 33115, 33360, 39738, 41144, 42960, 49762, 51430, 52984, 61716, 66230, 74643, 77145, 79476, 82288, 99345, 99524, 102860, 105968, 123432, 124405, 132460, 149286, 154290, 158952, 198690, 199048, 205720, 246864, 248810, 264920, 298572, 308580, 317904, 373215, 397380, 398096, 411440, 497620, 529840, 597144, 617160, 746430, 794760, 920597, 995240, 1194288, 1234320, 1492860, 1589520, 1841194, 1990480, 2761791, 2985720, 3682388, 4602985, 5523582, 5971440, 7364776, 9205970, 11047164, 13808955, 14729552, 18411940, 22094328, 27617910, 36823880, 44188656, 55235820, 73647760, 110471640, 220943280]

約数ペア:

[(1, 220943280), (2, 110471640), (3, 73647760), (4, 55235820), (5, 44188656), (6, 36823880), (8, 27617910), (10, 22094328), (12, 18411940), (15, 14729552), (16, 13808955), (20, 11047164), (24, 9205970), (30, 7364776), (37, 5971440), (40, 5523582), (48, 4602985), (60, 3682388), (74, 2985720), (80, 2761791), (111, 1990480), (120, 1841194), (139, 1589520), (148, 1492860), (179, 1234320), (185, 1194288), (222, 995240), (240, 920597), (278, 794760), (296, 746430), (358, 617160), (370, 597144), (417, 529840), (444, 497620), (537, 411440), (555, 398096), (556, 397380), (592, 373215), (695, 317904), (716, 308580), (740, 298572), (834, 264920), (888, 248810), (895, 246864), (1074, 205720), (1110, 199048), (1112, 198690), (1390, 158952), (1432, 154290), (1480, 149286), (1668, 132460), (1776, 124405), (1790, 123432), (2085, 105968), (2148, 102860), (2220, 99524), (2224, 99345), (2685, 82288), (2780, 79476), (2864, 77145), (2960, 74643), (3336, 66230), (3580, 61716), (4170, 52984), (4296, 51430), (4440, 49762), (5143, 42960), (5370, 41144), (5560, 39738), (6623, 33360), (6672, 33115), (7160, 30858), (8340, 26492), (8592, 25715), (8880, 24881), (10286, 21480), (10740, 20572), (11120, 19869), (13246, 16680), (14320, 15429)]