278314920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{461}}^1$

素因数の和:537

約数の個数: 256

約数和(自身を含む): 1024531200

約数和(自身を除く): 746216280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 43, 45, 52, 54, 60, 65, 72, 78, 86, 90, 104, 108, 117, 120, 129, 130, 135, 156, 172, 180, 195, 215, 216, 234, 258, 260, 270, 312, 344, 351, 360, 387, 390, 430, 461, 468, 516, 520, 540, 559, 585, 645, 702, 774, 780, 860, 922, 936, 1032, 1080, 1118, 1161, 1170, 1290, 1383, 1404, 1548, 1560, 1677, 1720, 1755, 1844, 1935, 2236, 2305, 2322, 2340, 2580, 2766, 2795, 2808, 3096, 3354, 3510, 3688, 3870, 4149, 4472, 4610, 4644, 4680, 5031, 5160, 5532, 5590, 5805, 5993, 6708, 6915, 7020, 7740, 8298, 8385, 9220, 9288, 10062, 11064, 11180, 11610, 11986, 12447, 13416, 13830, 14040, 15093, 15480, 16596, 16770, 17979, 18440, 19823, 20124, 20745, 22360, 23220, 23972, 24894, 25155, 27660, 29965, 30186, 33192, 33540, 35958, 39646, 40248, 41490, 46440, 47944, 49788, 50310, 53937, 55320, 59469, 59930, 60372, 62235, 67080, 71916, 75465, 79292, 82980, 89895, 99115, 99576, 100620, 107874, 118938, 119860, 120744, 124470, 143832, 150930, 158584, 161811, 165960, 178407, 179790, 198230, 201240, 215748, 237876, 239720, 248940, 257699, 269685, 297345, 301860, 323622, 356814, 359580, 396460, 431496, 475752, 497880, 515398, 535221, 539370, 594690, 603720, 647244, 713628, 719160, 773097, 792920, 809055, 892035, 1030796, 1070442, 1078740, 1189380, 1288495, 1294488, 1427256, 1546194, 1618110, 1784070, 2061592, 2140884, 2157480, 2319291, 2378760, 2576990, 2676105, 3092388, 3236220, 3568140, 3865485, 4281768, 4638582, 5153980, 5352210, 6184776, 6472440, 6957873, 7136280, 7730970, 9277164, 10307960, 10704420, 11596455, 13915746, 15461940, 18554328, 21408840, 23192910, 27831492, 30923880, 34789365, 46385820, 55662984, 69578730, 92771640, 139157460, 278314920]

約数ペア:

[(1, 278314920), (2, 139157460), (3, 92771640), (4, 69578730), (5, 55662984), (6, 46385820), (8, 34789365), (9, 30923880), (10, 27831492), (12, 23192910), (13, 21408840), (15, 18554328), (18, 15461940), (20, 13915746), (24, 11596455), (26, 10704420), (27, 10307960), (30, 9277164), (36, 7730970), (39, 7136280), (40, 6957873), (43, 6472440), (45, 6184776), (52, 5352210), (54, 5153980), (60, 4638582), (65, 4281768), (72, 3865485), (78, 3568140), (86, 3236220), (90, 3092388), (104, 2676105), (108, 2576990), (117, 2378760), (120, 2319291), (129, 2157480), (130, 2140884), (135, 2061592), (156, 1784070), (172, 1618110), (180, 1546194), (195, 1427256), (215, 1294488), (216, 1288495), (234, 1189380), (258, 1078740), (260, 1070442), (270, 1030796), (312, 892035), (344, 809055), (351, 792920), (360, 773097), (387, 719160), (390, 713628), (430, 647244), (461, 603720), (468, 594690), (516, 539370), (520, 535221), (540, 515398), (559, 497880), (585, 475752), (645, 431496), (702, 396460), (774, 359580), (780, 356814), (860, 323622), (922, 301860), (936, 297345), (1032, 269685), (1080, 257699), (1118, 248940), (1161, 239720), (1170, 237876), (1290, 215748), (1383, 201240), (1404, 198230), (1548, 179790), (1560, 178407), (1677, 165960), (1720, 161811), (1755, 158584), (1844, 150930), (1935, 143832), (2236, 124470), (2305, 120744), (2322, 119860), (2340, 118938), (2580, 107874), (2766, 100620), (2795, 99576), (2808, 99115), (3096, 89895), (3354, 82980), (3510, 79292), (3688, 75465), (3870, 71916), (4149, 67080), (4472, 62235), (4610, 60372), (4644, 59930), (4680, 59469), (5031, 55320), (5160, 53937), (5532, 50310), (5590, 49788), (5805, 47944), (5993, 46440), (6708, 41490), (6915, 40248), (7020, 39646), (7740, 35958), (8298, 33540), (8385, 33192), (9220, 30186), (9288, 29965), (10062, 27660), (11064, 25155), (11180, 24894), (11610, 23972), (11986, 23220), (12447, 22360), (13416, 20745), (13830, 20124), (14040, 19823), (15093, 18440), (15480, 17979), (16596, 16770)]