721274736

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2707}}^1$

素因数の和:2799

約数の個数: 160

約数和(自身を含む): 2331739648

約数和(自身を除く): 1610464912

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 61, 78, 84, 91, 104, 112, 122, 156, 168, 182, 183, 208, 244, 273, 312, 336, 364, 366, 427, 488, 546, 624, 728, 732, 793, 854, 976, 1092, 1281, 1456, 1464, 1586, 1708, 2184, 2379, 2562, 2707, 2928, 3172, 3416, 4368, 4758, 5124, 5414, 5551, 6344, 6832, 8121, 9516, 10248, 10828, 11102, 12688, 16242, 16653, 18949, 19032, 20496, 21656, 22204, 32484, 33306, 35191, 37898, 38064, 43312, 44408, 56847, 64968, 66612, 70382, 75796, 88816, 105573, 113694, 129936, 133224, 140764, 151592, 165127, 211146, 227388, 246337, 266448, 281528, 303184, 330254, 422292, 454776, 492674, 495381, 563056, 660508, 739011, 844584, 909552, 985348, 990762, 1155889, 1321016, 1478022, 1689168, 1970696, 1981524, 2146651, 2311778, 2642032, 2956044, 3467667, 3941392, 3963048, 4293302, 4623556, 5912088, 6439953, 6935334, 7926096, 8586604, 9247112, 11824176, 12879906, 13870668, 15026557, 17173208, 18494224, 25759812, 27741336, 30053114, 34346416, 45079671, 51519624, 55482672, 60106228, 90159342, 103039248, 120212456, 180318684, 240424912, 360637368, 721274736]

約数ペア:

[(1, 721274736), (2, 360637368), (3, 240424912), (4, 180318684), (6, 120212456), (7, 103039248), (8, 90159342), (12, 60106228), (13, 55482672), (14, 51519624), (16, 45079671), (21, 34346416), (24, 30053114), (26, 27741336), (28, 25759812), (39, 18494224), (42, 17173208), (48, 15026557), (52, 13870668), (56, 12879906), (61, 11824176), (78, 9247112), (84, 8586604), (91, 7926096), (104, 6935334), (112, 6439953), (122, 5912088), (156, 4623556), (168, 4293302), (182, 3963048), (183, 3941392), (208, 3467667), (244, 2956044), (273, 2642032), (312, 2311778), (336, 2146651), (364, 1981524), (366, 1970696), (427, 1689168), (488, 1478022), (546, 1321016), (624, 1155889), (728, 990762), (732, 985348), (793, 909552), (854, 844584), (976, 739011), (1092, 660508), (1281, 563056), (1456, 495381), (1464, 492674), (1586, 454776), (1708, 422292), (2184, 330254), (2379, 303184), (2562, 281528), (2707, 266448), (2928, 246337), (3172, 227388), (3416, 211146), (4368, 165127), (4758, 151592), (5124, 140764), (5414, 133224), (5551, 129936), (6344, 113694), (6832, 105573), (8121, 88816), (9516, 75796), (10248, 70382), (10828, 66612), (11102, 64968), (12688, 56847), (16242, 44408), (16653, 43312), (18949, 38064), (19032, 37898), (20496, 35191), (21656, 33306), (22204, 32484)]