40442640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:230

約数の個数: 240

約数和(自身を含む): 154365120

約数和(自身を除く): 113922480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 49, 56, 57, 60, 70, 76, 80, 84, 95, 98, 105, 112, 114, 120, 133, 140, 147, 152, 168, 181, 190, 196, 210, 228, 240, 245, 266, 280, 285, 294, 304, 336, 362, 380, 392, 399, 420, 456, 490, 532, 543, 560, 570, 588, 665, 724, 735, 760, 784, 798, 840, 905, 912, 931, 980, 1064, 1086, 1140, 1176, 1267, 1330, 1448, 1470, 1520, 1596, 1680, 1810, 1862, 1960, 1995, 2128, 2172, 2280, 2352, 2534, 2660, 2715, 2793, 2896, 2940, 3192, 3439, 3620, 3724, 3801, 3920, 3990, 4344, 4560, 4655, 5068, 5320, 5430, 5586, 5880, 6335, 6384, 6878, 7240, 7448, 7602, 7980, 8688, 8869, 9310, 10136, 10317, 10640, 10860, 11172, 11760, 12670, 13756, 13965, 14480, 14896, 15204, 15960, 17195, 17738, 18620, 19005, 20272, 20634, 21720, 22344, 24073, 25340, 26607, 27512, 27930, 30408, 31920, 34390, 35476, 37240, 38010, 41268, 43440, 44345, 44688, 48146, 50680, 51585, 53214, 55024, 55860, 60816, 68780, 70952, 72219, 74480, 76020, 82536, 88690, 96292, 101360, 103170, 106428, 111720, 120365, 133035, 137560, 141904, 144438, 152040, 165072, 168511, 177380, 192584, 206340, 212856, 223440, 240730, 266070, 275120, 288876, 304080, 337022, 354760, 361095, 385168, 412680, 425712, 481460, 505533, 532140, 577752, 674044, 709520, 722190, 825360, 842555, 962920, 1011066, 1064280, 1155504, 1348088, 1444380, 1685110, 1925840, 2022132, 2128560, 2527665, 2696176, 2888760, 3370220, 4044264, 5055330, 5777520, 6740440, 8088528, 10110660, 13480880, 20221320, 40442640]

約数ペア:

[(1, 40442640), (2, 20221320), (3, 13480880), (4, 10110660), (5, 8088528), (6, 6740440), (7, 5777520), (8, 5055330), (10, 4044264), (12, 3370220), (14, 2888760), (15, 2696176), (16, 2527665), (19, 2128560), (20, 2022132), (21, 1925840), (24, 1685110), (28, 1444380), (30, 1348088), (35, 1155504), (38, 1064280), (40, 1011066), (42, 962920), (48, 842555), (49, 825360), (56, 722190), (57, 709520), (60, 674044), (70, 577752), (76, 532140), (80, 505533), (84, 481460), (95, 425712), (98, 412680), (105, 385168), (112, 361095), (114, 354760), (120, 337022), (133, 304080), (140, 288876), (147, 275120), (152, 266070), (168, 240730), (181, 223440), (190, 212856), (196, 206340), (210, 192584), (228, 177380), (240, 168511), (245, 165072), (266, 152040), (280, 144438), (285, 141904), (294, 137560), (304, 133035), (336, 120365), (362, 111720), (380, 106428), (392, 103170), (399, 101360), (420, 96292), (456, 88690), (490, 82536), (532, 76020), (543, 74480), (560, 72219), (570, 70952), (588, 68780), (665, 60816), (724, 55860), (735, 55024), (760, 53214), (784, 51585), (798, 50680), (840, 48146), (905, 44688), (912, 44345), (931, 43440), (980, 41268), (1064, 38010), (1086, 37240), (1140, 35476), (1176, 34390), (1267, 31920), (1330, 30408), (1448, 27930), (1470, 27512), (1520, 26607), (1596, 25340), (1680, 24073), (1810, 22344), (1862, 21720), (1960, 20634), (1995, 20272), (2128, 19005), (2172, 18620), (2280, 17738), (2352, 17195), (2534, 15960), (2660, 15204), (2715, 14896), (2793, 14480), (2896, 13965), (2940, 13756), (3192, 12670), (3439, 11760), (3620, 11172), (3724, 10860), (3801, 10640), (3920, 10317), (3990, 10136), (4344, 9310), (4560, 8869), (4655, 8688), (5068, 7980), (5320, 7602), (5430, 7448), (5586, 7240), (5880, 6878), (6335, 6384)]