64470840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:162

約数の個数: 256

約数和(自身を含む): 238878720

約数和(自身を除く): 174407880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 47, 56, 60, 69, 70, 71, 84, 92, 94, 105, 115, 120, 138, 140, 141, 142, 161, 168, 184, 188, 210, 213, 230, 235, 276, 280, 282, 284, 322, 329, 345, 355, 376, 420, 426, 460, 470, 483, 497, 552, 564, 568, 644, 658, 690, 705, 710, 805, 840, 852, 920, 940, 966, 987, 994, 1065, 1081, 1128, 1288, 1316, 1380, 1410, 1420, 1491, 1610, 1633, 1645, 1704, 1880, 1932, 1974, 1988, 2130, 2162, 2415, 2485, 2632, 2760, 2820, 2840, 2982, 3220, 3243, 3266, 3290, 3337, 3864, 3948, 3976, 4260, 4324, 4830, 4899, 4935, 4970, 5405, 5640, 5964, 6440, 6486, 6532, 6580, 6674, 7455, 7567, 7896, 8165, 8520, 8648, 9660, 9798, 9870, 9940, 10011, 10810, 11431, 11928, 12972, 13064, 13160, 13348, 14910, 15134, 16215, 16330, 16685, 19320, 19596, 19740, 19880, 20022, 21620, 22701, 22862, 23359, 24495, 25944, 26696, 29820, 30268, 32430, 32660, 33370, 34293, 37835, 39192, 39480, 40044, 43240, 45402, 45724, 46718, 48990, 50055, 57155, 59640, 60536, 64860, 65320, 66740, 68586, 70077, 75670, 76751, 80088, 90804, 91448, 93436, 97980, 100110, 113505, 114310, 116795, 129720, 133480, 137172, 140154, 151340, 153502, 171465, 181608, 186872, 195960, 200220, 227010, 228620, 230253, 233590, 274344, 280308, 302680, 307004, 342930, 350385, 383755, 400440, 454020, 457240, 460506, 467180, 537257, 560616, 614008, 685860, 700770, 767510, 908040, 921012, 934360, 1074514, 1151265, 1371720, 1401540, 1535020, 1611771, 1842024, 2149028, 2302530, 2686285, 2803080, 3070040, 3223542, 4298056, 4605060, 5372570, 6447084, 8058855, 9210120, 10745140, 12894168, 16117710, 21490280, 32235420, 64470840]

約数ペア:

[(1, 64470840), (2, 32235420), (3, 21490280), (4, 16117710), (5, 12894168), (6, 10745140), (7, 9210120), (8, 8058855), (10, 6447084), (12, 5372570), (14, 4605060), (15, 4298056), (20, 3223542), (21, 3070040), (23, 2803080), (24, 2686285), (28, 2302530), (30, 2149028), (35, 1842024), (40, 1611771), (42, 1535020), (46, 1401540), (47, 1371720), (56, 1151265), (60, 1074514), (69, 934360), (70, 921012), (71, 908040), (84, 767510), (92, 700770), (94, 685860), (105, 614008), (115, 560616), (120, 537257), (138, 467180), (140, 460506), (141, 457240), (142, 454020), (161, 400440), (168, 383755), (184, 350385), (188, 342930), (210, 307004), (213, 302680), (230, 280308), (235, 274344), (276, 233590), (280, 230253), (282, 228620), (284, 227010), (322, 200220), (329, 195960), (345, 186872), (355, 181608), (376, 171465), (420, 153502), (426, 151340), (460, 140154), (470, 137172), (483, 133480), (497, 129720), (552, 116795), (564, 114310), (568, 113505), (644, 100110), (658, 97980), (690, 93436), (705, 91448), (710, 90804), (805, 80088), (840, 76751), (852, 75670), (920, 70077), (940, 68586), (966, 66740), (987, 65320), (994, 64860), (1065, 60536), (1081, 59640), (1128, 57155), (1288, 50055), (1316, 48990), (1380, 46718), (1410, 45724), (1420, 45402), (1491, 43240), (1610, 40044), (1633, 39480), (1645, 39192), (1704, 37835), (1880, 34293), (1932, 33370), (1974, 32660), (1988, 32430), (2130, 30268), (2162, 29820), (2415, 26696), (2485, 25944), (2632, 24495), (2760, 23359), (2820, 22862), (2840, 22701), (2982, 21620), (3220, 20022), (3243, 19880), (3266, 19740), (3290, 19596), (3337, 19320), (3864, 16685), (3948, 16330), (3976, 16215), (4260, 15134), (4324, 14910), (4830, 13348), (4899, 13160), (4935, 13064), (4970, 12972), (5405, 11928), (5640, 11431), (5964, 10810), (6440, 10011), (6486, 9940), (6532, 9870), (6580, 9798), (6674, 9660), (7455, 8648), (7567, 8520), (7896, 8165)]