728617472

素因数分解:

$2^9\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{619}}^1$

素因数の和:678

約数の個数: 120

約数和(自身を含む): 1687131600

約数和(自身を除く): 958514128

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 64, 76, 88, 121, 128, 152, 176, 209, 242, 256, 304, 352, 418, 484, 512, 608, 619, 704, 836, 968, 1216, 1238, 1408, 1672, 1936, 2299, 2432, 2476, 2816, 3344, 3872, 4598, 4864, 4952, 5632, 6688, 6809, 7744, 9196, 9728, 9904, 11761, 13376, 13618, 15488, 18392, 19808, 23522, 26752, 27236, 30976, 36784, 39616, 47044, 53504, 54472, 61952, 73568, 74899, 79232, 94088, 107008, 108944, 129371, 147136, 149798, 158464, 188176, 217888, 258742, 294272, 299596, 316928, 376352, 435776, 517484, 588544, 599192, 752704, 871552, 1034968, 1177088, 1198384, 1423081, 1505408, 1743104, 2069936, 2396768, 2846162, 3010816, 3486208, 4139872, 4793536, 5692324, 6021632, 8279744, 9587072, 11384648, 16559488, 19174144, 22769296, 33118976, 38348288, 45538592, 66237952, 91077184, 182154368, 364308736, 728617472]

約数ペア:

[(1, 728617472), (2, 364308736), (4, 182154368), (8, 91077184), (11, 66237952), (16, 45538592), (19, 38348288), (22, 33118976), (32, 22769296), (38, 19174144), (44, 16559488), (64, 11384648), (76, 9587072), (88, 8279744), (121, 6021632), (128, 5692324), (152, 4793536), (176, 4139872), (209, 3486208), (242, 3010816), (256, 2846162), (304, 2396768), (352, 2069936), (418, 1743104), (484, 1505408), (512, 1423081), (608, 1198384), (619, 1177088), (704, 1034968), (836, 871552), (968, 752704), (1216, 599192), (1238, 588544), (1408, 517484), (1672, 435776), (1936, 376352), (2299, 316928), (2432, 299596), (2476, 294272), (2816, 258742), (3344, 217888), (3872, 188176), (4598, 158464), (4864, 149798), (4952, 147136), (5632, 129371), (6688, 108944), (6809, 107008), (7744, 94088), (9196, 79232), (9728, 74899), (9904, 73568), (11761, 61952), (13376, 54472), (13618, 53504), (15488, 47044), (18392, 39616), (19808, 36784), (23522, 30976), (26752, 27236)]