261862560

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{563}}^1$

素因数の和:620

約数の個数: 288

約数和(自身を含む): 997738560

約数和(自身を除く): 735876000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 19, 20, 24, 30, 32, 34, 36, 38, 40, 45, 48, 51, 57, 60, 68, 72, 76, 80, 85, 90, 95, 96, 102, 114, 120, 136, 144, 152, 153, 160, 170, 171, 180, 190, 204, 228, 240, 255, 272, 285, 288, 304, 306, 323, 340, 342, 360, 380, 408, 456, 480, 510, 544, 563, 570, 608, 612, 646, 680, 684, 720, 760, 765, 816, 855, 912, 969, 1020, 1126, 1140, 1224, 1292, 1360, 1368, 1440, 1520, 1530, 1615, 1632, 1689, 1710, 1824, 1938, 2040, 2252, 2280, 2448, 2584, 2720, 2736, 2815, 2907, 3040, 3060, 3230, 3378, 3420, 3876, 4080, 4504, 4560, 4845, 4896, 5067, 5168, 5472, 5630, 5814, 6120, 6460, 6756, 6840, 7752, 8160, 8445, 9008, 9120, 9571, 9690, 10134, 10336, 10697, 11260, 11628, 12240, 12920, 13512, 13680, 14535, 15504, 16890, 18016, 19142, 19380, 20268, 21394, 22520, 23256, 24480, 25335, 25840, 27024, 27360, 28713, 29070, 31008, 32091, 33780, 38284, 38760, 40536, 42788, 45040, 46512, 47855, 50670, 51680, 53485, 54048, 57426, 58140, 64182, 67560, 76568, 77520, 81072, 85576, 86139, 90080, 93024, 95710, 96273, 101340, 106970, 114852, 116280, 128364, 135120, 143565, 153136, 155040, 160455, 162144, 171152, 172278, 181849, 191420, 192546, 202680, 213940, 229704, 232560, 256728, 270240, 287130, 306272, 320910, 342304, 344556, 363698, 382840, 385092, 405360, 427880, 430695, 459408, 465120, 481365, 513456, 545547, 574260, 641820, 689112, 727396, 765680, 770184, 810720, 855760, 861390, 909245, 918816, 962730, 1026912, 1091094, 1148520, 1283640, 1378224, 1454792, 1531360, 1540368, 1636641, 1711520, 1722780, 1818490, 1925460, 2182188, 2297040, 2567280, 2727735, 2756448, 2909584, 3080736, 3273282, 3445560, 3636980, 3850920, 4364376, 4594080, 5134560, 5455470, 5819168, 6546564, 6891120, 7273960, 7701840, 8183205, 8728752, 10910940, 13093128, 13782240, 14547920, 15403680, 16366410, 17457504, 21821880, 26186256, 29095840, 32732820, 43643760, 52372512, 65465640, 87287520, 130931280, 261862560]

約数ペア:

[(1, 261862560), (2, 130931280), (3, 87287520), (4, 65465640), (5, 52372512), (6, 43643760), (8, 32732820), (9, 29095840), (10, 26186256), (12, 21821880), (15, 17457504), (16, 16366410), (17, 15403680), (18, 14547920), (19, 13782240), (20, 13093128), (24, 10910940), (30, 8728752), (32, 8183205), (34, 7701840), (36, 7273960), (38, 6891120), (40, 6546564), (45, 5819168), (48, 5455470), (51, 5134560), (57, 4594080), (60, 4364376), (68, 3850920), (72, 3636980), (76, 3445560), (80, 3273282), (85, 3080736), (90, 2909584), (95, 2756448), (96, 2727735), (102, 2567280), (114, 2297040), (120, 2182188), (136, 1925460), (144, 1818490), (152, 1722780), (153, 1711520), (160, 1636641), (170, 1540368), (171, 1531360), (180, 1454792), (190, 1378224), (204, 1283640), (228, 1148520), (240, 1091094), (255, 1026912), (272, 962730), (285, 918816), (288, 909245), (304, 861390), (306, 855760), (323, 810720), (340, 770184), (342, 765680), (360, 727396), (380, 689112), (408, 641820), (456, 574260), (480, 545547), (510, 513456), (544, 481365), (563, 465120), (570, 459408), (608, 430695), (612, 427880), (646, 405360), (680, 385092), (684, 382840), (720, 363698), (760, 344556), (765, 342304), (816, 320910), (855, 306272), (912, 287130), (969, 270240), (1020, 256728), (1126, 232560), (1140, 229704), (1224, 213940), (1292, 202680), (1360, 192546), (1368, 191420), (1440, 181849), (1520, 172278), (1530, 171152), (1615, 162144), (1632, 160455), (1689, 155040), (1710, 153136), (1824, 143565), (1938, 135120), (2040, 128364), (2252, 116280), (2280, 114852), (2448, 106970), (2584, 101340), (2720, 96273), (2736, 95710), (2815, 93024), (2907, 90080), (3040, 86139), (3060, 85576), (3230, 81072), (3378, 77520), (3420, 76568), (3876, 67560), (4080, 64182), (4504, 58140), (4560, 57426), (4845, 54048), (4896, 53485), (5067, 51680), (5168, 50670), (5472, 47855), (5630, 46512), (5814, 45040), (6120, 42788), (6460, 40536), (6756, 38760), (6840, 38284), (7752, 33780), (8160, 32091), (8445, 31008), (9008, 29070), (9120, 28713), (9571, 27360), (9690, 27024), (10134, 25840), (10336, 25335), (10697, 24480), (11260, 23256), (11628, 22520), (12240, 21394), (12920, 20268), (13512, 19380), (13680, 19142), (14535, 18016), (15504, 16890)]