1428569520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{331}}^1\times {\mathrm{367}}^1$

素因数の和:728

約数の個数: 240

約数和(自身を含む): 5181239808

約数和(自身を除く): 3752670288

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 331, 336, 367, 392, 420, 490, 560, 588, 662, 734, 735, 784, 840, 980, 993, 1101, 1176, 1324, 1468, 1470, 1655, 1680, 1835, 1960, 1986, 2202, 2317, 2352, 2569, 2648, 2936, 2940, 3310, 3670, 3920, 3972, 4404, 4634, 4965, 5138, 5296, 5505, 5872, 5880, 6620, 6951, 7340, 7707, 7944, 8808, 9268, 9930, 10276, 11010, 11585, 11760, 12845, 13240, 13902, 14680, 15414, 15888, 16219, 17616, 17983, 18536, 19860, 20552, 22020, 23170, 25690, 26480, 27804, 29360, 30828, 32438, 34755, 35966, 37072, 38535, 39720, 41104, 44040, 46340, 48657, 51380, 53949, 55608, 61656, 64876, 69510, 71932, 77070, 79440, 81095, 88080, 89915, 92680, 97314, 102760, 107898, 111216, 121477, 123312, 129752, 139020, 143864, 154140, 162190, 179830, 185360, 194628, 205520, 215796, 242954, 243285, 259504, 269745, 278040, 287728, 308280, 324380, 359660, 364431, 389256, 431592, 485908, 486570, 539490, 556080, 607385, 616560, 648760, 719320, 728862, 778512, 850339, 863184, 971816, 973140, 1078980, 1214770, 1297520, 1438640, 1457724, 1700678, 1822155, 1943632, 1946280, 2157960, 2429540, 2551017, 2915448, 3401356, 3644310, 3892560, 4251695, 4315920, 4859080, 5102034, 5830896, 5952373, 6802712, 7288620, 8503390, 9718160, 10204068, 11904746, 12755085, 13605424, 14577240, 17006780, 17857119, 20408136, 23809492, 25510170, 29154480, 29761865, 34013560, 35714238, 40816272, 47618984, 51020340, 59523730, 68027120, 71428476, 89285595, 95237968, 102040680, 119047460, 142856952, 178571190, 204081360, 238094920, 285713904, 357142380, 476189840, 714284760, 1428569520]

約数ペア:

[(1, 1428569520), (2, 714284760), (3, 476189840), (4, 357142380), (5, 285713904), (6, 238094920), (7, 204081360), (8, 178571190), (10, 142856952), (12, 119047460), (14, 102040680), (15, 95237968), (16, 89285595), (20, 71428476), (21, 68027120), (24, 59523730), (28, 51020340), (30, 47618984), (35, 40816272), (40, 35714238), (42, 34013560), (48, 29761865), (49, 29154480), (56, 25510170), (60, 23809492), (70, 20408136), (80, 17857119), (84, 17006780), (98, 14577240), (105, 13605424), (112, 12755085), (120, 11904746), (140, 10204068), (147, 9718160), (168, 8503390), (196, 7288620), (210, 6802712), (240, 5952373), (245, 5830896), (280, 5102034), (294, 4859080), (331, 4315920), (336, 4251695), (367, 3892560), (392, 3644310), (420, 3401356), (490, 2915448), (560, 2551017), (588, 2429540), (662, 2157960), (734, 1946280), (735, 1943632), (784, 1822155), (840, 1700678), (980, 1457724), (993, 1438640), (1101, 1297520), (1176, 1214770), (1324, 1078980), (1468, 973140), (1470, 971816), (1655, 863184), (1680, 850339), (1835, 778512), (1960, 728862), (1986, 719320), (2202, 648760), (2317, 616560), (2352, 607385), (2569, 556080), (2648, 539490), (2936, 486570), (2940, 485908), (3310, 431592), (3670, 389256), (3920, 364431), (3972, 359660), (4404, 324380), (4634, 308280), (4965, 287728), (5138, 278040), (5296, 269745), (5505, 259504), (5872, 243285), (5880, 242954), (6620, 215796), (6951, 205520), (7340, 194628), (7707, 185360), (7944, 179830), (8808, 162190), (9268, 154140), (9930, 143864), (10276, 139020), (11010, 129752), (11585, 123312), (11760, 121477), (12845, 111216), (13240, 107898), (13902, 102760), (14680, 97314), (15414, 92680), (15888, 89915), (16219, 88080), (17616, 81095), (17983, 79440), (18536, 77070), (19860, 71932), (20552, 69510), (22020, 64876), (23170, 61656), (25690, 55608), (26480, 53949), (27804, 51380), (29360, 48657), (30828, 46340), (32438, 44040), (34755, 41104), (35966, 39720), (37072, 38535)]