40207440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:306

約数の個数: 240

約数和(自身を含む): 156739968

約数和(自身を除く): 116532528

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 49, 52, 56, 60, 65, 70, 78, 80, 84, 91, 98, 104, 105, 112, 120, 130, 140, 147, 156, 168, 182, 195, 196, 208, 210, 240, 245, 260, 263, 273, 280, 294, 312, 336, 364, 390, 392, 420, 455, 490, 520, 526, 546, 560, 588, 624, 637, 728, 735, 780, 784, 789, 840, 910, 980, 1040, 1052, 1092, 1176, 1274, 1315, 1365, 1456, 1470, 1560, 1578, 1680, 1820, 1841, 1911, 1960, 2104, 2184, 2352, 2548, 2630, 2730, 2940, 3120, 3156, 3185, 3419, 3640, 3682, 3822, 3920, 3945, 4208, 4368, 5096, 5260, 5460, 5523, 5880, 6312, 6370, 6838, 7280, 7364, 7644, 7890, 9205, 9555, 10192, 10257, 10520, 10920, 11046, 11760, 12624, 12740, 12887, 13676, 14728, 15288, 15780, 17095, 18410, 19110, 20514, 21040, 21840, 22092, 23933, 25480, 25774, 27352, 27615, 29456, 30576, 31560, 34190, 36820, 38220, 38661, 41028, 44184, 47866, 50960, 51285, 51548, 54704, 55230, 63120, 64435, 68380, 71799, 73640, 76440, 77322, 82056, 88368, 95732, 102570, 103096, 110460, 119665, 128870, 136760, 143598, 147280, 152880, 154644, 164112, 167531, 191464, 193305, 205140, 206192, 220920, 239330, 257740, 273520, 287196, 309288, 335062, 358995, 382928, 386610, 410280, 441840, 478660, 502593, 515480, 574392, 618576, 670124, 717990, 773220, 820560, 837655, 957320, 1005186, 1030960, 1148784, 1340248, 1435980, 1546440, 1675310, 1914640, 2010372, 2512965, 2680496, 2871960, 3092880, 3350620, 4020744, 5025930, 5743920, 6701240, 8041488, 10051860, 13402480, 20103720, 40207440]

約数ペア:

[(1, 40207440), (2, 20103720), (3, 13402480), (4, 10051860), (5, 8041488), (6, 6701240), (7, 5743920), (8, 5025930), (10, 4020744), (12, 3350620), (13, 3092880), (14, 2871960), (15, 2680496), (16, 2512965), (20, 2010372), (21, 1914640), (24, 1675310), (26, 1546440), (28, 1435980), (30, 1340248), (35, 1148784), (39, 1030960), (40, 1005186), (42, 957320), (48, 837655), (49, 820560), (52, 773220), (56, 717990), (60, 670124), (65, 618576), (70, 574392), (78, 515480), (80, 502593), (84, 478660), (91, 441840), (98, 410280), (104, 386610), (105, 382928), (112, 358995), (120, 335062), (130, 309288), (140, 287196), (147, 273520), (156, 257740), (168, 239330), (182, 220920), (195, 206192), (196, 205140), (208, 193305), (210, 191464), (240, 167531), (245, 164112), (260, 154644), (263, 152880), (273, 147280), (280, 143598), (294, 136760), (312, 128870), (336, 119665), (364, 110460), (390, 103096), (392, 102570), (420, 95732), (455, 88368), (490, 82056), (520, 77322), (526, 76440), (546, 73640), (560, 71799), (588, 68380), (624, 64435), (637, 63120), (728, 55230), (735, 54704), (780, 51548), (784, 51285), (789, 50960), (840, 47866), (910, 44184), (980, 41028), (1040, 38661), (1052, 38220), (1092, 36820), (1176, 34190), (1274, 31560), (1315, 30576), (1365, 29456), (1456, 27615), (1470, 27352), (1560, 25774), (1578, 25480), (1680, 23933), (1820, 22092), (1841, 21840), (1911, 21040), (1960, 20514), (2104, 19110), (2184, 18410), (2352, 17095), (2548, 15780), (2630, 15288), (2730, 14728), (2940, 13676), (3120, 12887), (3156, 12740), (3185, 12624), (3419, 11760), (3640, 11046), (3682, 10920), (3822, 10520), (3920, 10257), (3945, 10192), (4208, 9555), (4368, 9205), (5096, 7890), (5260, 7644), (5460, 7364), (5523, 7280), (5880, 6838), (6312, 6370)]