261471360

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:267

約数の個数: 256

約数和(自身を含む): 902430720

約数和(自身を除く): 640959360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 31, 32, 40, 46, 48, 60, 62, 64, 69, 80, 92, 93, 96, 115, 120, 124, 128, 138, 155, 160, 184, 186, 191, 192, 230, 240, 248, 276, 310, 320, 345, 368, 372, 382, 384, 460, 465, 480, 496, 552, 573, 620, 640, 690, 713, 736, 744, 764, 920, 930, 955, 960, 992, 1104, 1146, 1240, 1380, 1426, 1472, 1488, 1528, 1840, 1860, 1910, 1920, 1984, 2139, 2208, 2292, 2480, 2760, 2852, 2865, 2944, 2976, 3056, 3565, 3680, 3720, 3820, 3968, 4278, 4393, 4416, 4584, 4960, 5520, 5704, 5730, 5921, 5952, 6112, 7130, 7360, 7440, 7640, 8556, 8786, 8832, 9168, 9920, 10695, 11040, 11408, 11460, 11842, 11904, 12224, 13179, 14260, 14720, 14880, 15280, 17112, 17572, 17763, 18336, 19840, 21390, 21965, 22080, 22816, 22920, 23684, 24448, 26358, 28520, 29605, 29760, 30560, 34224, 35144, 35526, 36672, 42780, 43930, 44160, 45632, 45840, 47368, 52716, 57040, 59210, 59520, 61120, 65895, 68448, 70288, 71052, 73344, 85560, 87860, 88815, 91264, 91680, 94736, 105432, 114080, 118420, 122240, 131790, 136183, 136896, 140576, 142104, 171120, 175720, 177630, 183360, 189472, 210864, 228160, 236840, 263580, 272366, 273792, 281152, 284208, 342240, 351440, 355260, 366720, 378944, 408549, 421728, 456320, 473680, 527160, 544732, 562304, 568416, 680915, 684480, 702880, 710520, 757888, 817098, 843456, 947360, 1054320, 1089464, 1136832, 1361830, 1368960, 1405760, 1421040, 1634196, 1686912, 1894720, 2042745, 2108640, 2178928, 2273664, 2723660, 2811520, 2842080, 3268392, 3789440, 4085490, 4217280, 4357856, 5447320, 5684160, 6536784, 8170980, 8434560, 8715712, 10894640, 11368320, 13073568, 16341960, 17431424, 21789280, 26147136, 32683920, 43578560, 52294272, 65367840, 87157120, 130735680, 261471360]

約数ペア:

[(1, 261471360), (2, 130735680), (3, 87157120), (4, 65367840), (5, 52294272), (6, 43578560), (8, 32683920), (10, 26147136), (12, 21789280), (15, 17431424), (16, 16341960), (20, 13073568), (23, 11368320), (24, 10894640), (30, 8715712), (31, 8434560), (32, 8170980), (40, 6536784), (46, 5684160), (48, 5447320), (60, 4357856), (62, 4217280), (64, 4085490), (69, 3789440), (80, 3268392), (92, 2842080), (93, 2811520), (96, 2723660), (115, 2273664), (120, 2178928), (124, 2108640), (128, 2042745), (138, 1894720), (155, 1686912), (160, 1634196), (184, 1421040), (186, 1405760), (191, 1368960), (192, 1361830), (230, 1136832), (240, 1089464), (248, 1054320), (276, 947360), (310, 843456), (320, 817098), (345, 757888), (368, 710520), (372, 702880), (382, 684480), (384, 680915), (460, 568416), (465, 562304), (480, 544732), (496, 527160), (552, 473680), (573, 456320), (620, 421728), (640, 408549), (690, 378944), (713, 366720), (736, 355260), (744, 351440), (764, 342240), (920, 284208), (930, 281152), (955, 273792), (960, 272366), (992, 263580), (1104, 236840), (1146, 228160), (1240, 210864), (1380, 189472), (1426, 183360), (1472, 177630), (1488, 175720), (1528, 171120), (1840, 142104), (1860, 140576), (1910, 136896), (1920, 136183), (1984, 131790), (2139, 122240), (2208, 118420), (2292, 114080), (2480, 105432), (2760, 94736), (2852, 91680), (2865, 91264), (2944, 88815), (2976, 87860), (3056, 85560), (3565, 73344), (3680, 71052), (3720, 70288), (3820, 68448), (3968, 65895), (4278, 61120), (4393, 59520), (4416, 59210), (4584, 57040), (4960, 52716), (5520, 47368), (5704, 45840), (5730, 45632), (5921, 44160), (5952, 43930), (6112, 42780), (7130, 36672), (7360, 35526), (7440, 35144), (7640, 34224), (8556, 30560), (8786, 29760), (8832, 29605), (9168, 28520), (9920, 26358), (10695, 24448), (11040, 23684), (11408, 22920), (11460, 22816), (11842, 22080), (11904, 21965), (12224, 21390), (13179, 19840), (14260, 18336), (14720, 17763), (14880, 17572), (15280, 17112)]