12345480

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:121

約数の個数: 256

約数和(自身を含む): 49766400

約数和(自身を除く): 37420920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 23, 24, 27, 28, 30, 35, 36, 40, 42, 45, 46, 54, 56, 60, 63, 69, 70, 71, 72, 84, 90, 92, 105, 108, 115, 120, 126, 135, 138, 140, 142, 161, 168, 180, 184, 189, 207, 210, 213, 216, 230, 252, 270, 276, 280, 284, 315, 322, 345, 355, 360, 378, 414, 420, 426, 460, 483, 497, 504, 540, 552, 568, 621, 630, 639, 644, 690, 710, 756, 805, 828, 840, 852, 920, 945, 966, 994, 1035, 1065, 1080, 1242, 1260, 1278, 1288, 1380, 1420, 1449, 1491, 1512, 1610, 1633, 1656, 1704, 1890, 1917, 1932, 1988, 2070, 2130, 2415, 2484, 2485, 2520, 2556, 2760, 2840, 2898, 2982, 3105, 3195, 3220, 3266, 3780, 3834, 3864, 3976, 4140, 4260, 4347, 4473, 4830, 4899, 4968, 4970, 5112, 5796, 5964, 6210, 6390, 6440, 6532, 7245, 7455, 7560, 7668, 8165, 8280, 8520, 8694, 8946, 9585, 9660, 9798, 9940, 11431, 11592, 11928, 12420, 12780, 13064, 13419, 14490, 14697, 14910, 15336, 16330, 17388, 17892, 19170, 19320, 19596, 19880, 21735, 22365, 22862, 24495, 24840, 25560, 26838, 28980, 29394, 29820, 32660, 34293, 34776, 35784, 38340, 39192, 43470, 44091, 44730, 45724, 48990, 53676, 57155, 57960, 58788, 59640, 65320, 67095, 68586, 73485, 76680, 86940, 88182, 89460, 91448, 97980, 102879, 107352, 114310, 117576, 134190, 137172, 146970, 171465, 173880, 176364, 178920, 195960, 205758, 220455, 228620, 268380, 274344, 293940, 308637, 342930, 352728, 411516, 440910, 457240, 514395, 536760, 587880, 617274, 685860, 823032, 881820, 1028790, 1234548, 1371720, 1543185, 1763640, 2057580, 2469096, 3086370, 4115160, 6172740, 12345480]

約数ペア:

[(1, 12345480), (2, 6172740), (3, 4115160), (4, 3086370), (5, 2469096), (6, 2057580), (7, 1763640), (8, 1543185), (9, 1371720), (10, 1234548), (12, 1028790), (14, 881820), (15, 823032), (18, 685860), (20, 617274), (21, 587880), (23, 536760), (24, 514395), (27, 457240), (28, 440910), (30, 411516), (35, 352728), (36, 342930), (40, 308637), (42, 293940), (45, 274344), (46, 268380), (54, 228620), (56, 220455), (60, 205758), (63, 195960), (69, 178920), (70, 176364), (71, 173880), (72, 171465), (84, 146970), (90, 137172), (92, 134190), (105, 117576), (108, 114310), (115, 107352), (120, 102879), (126, 97980), (135, 91448), (138, 89460), (140, 88182), (142, 86940), (161, 76680), (168, 73485), (180, 68586), (184, 67095), (189, 65320), (207, 59640), (210, 58788), (213, 57960), (216, 57155), (230, 53676), (252, 48990), (270, 45724), (276, 44730), (280, 44091), (284, 43470), (315, 39192), (322, 38340), (345, 35784), (355, 34776), (360, 34293), (378, 32660), (414, 29820), (420, 29394), (426, 28980), (460, 26838), (483, 25560), (497, 24840), (504, 24495), (540, 22862), (552, 22365), (568, 21735), (621, 19880), (630, 19596), (639, 19320), (644, 19170), (690, 17892), (710, 17388), (756, 16330), (805, 15336), (828, 14910), (840, 14697), (852, 14490), (920, 13419), (945, 13064), (966, 12780), (994, 12420), (1035, 11928), (1065, 11592), (1080, 11431), (1242, 9940), (1260, 9798), (1278, 9660), (1288, 9585), (1380, 8946), (1420, 8694), (1449, 8520), (1491, 8280), (1512, 8165), (1610, 7668), (1633, 7560), (1656, 7455), (1704, 7245), (1890, 6532), (1917, 6440), (1932, 6390), (1988, 6210), (2070, 5964), (2130, 5796), (2415, 5112), (2484, 4970), (2485, 4968), (2520, 4899), (2556, 4830), (2760, 4473), (2840, 4347), (2898, 4260), (2982, 4140), (3105, 3976), (3195, 3864), (3220, 3834), (3266, 3780)]