720672128

素因数分解:

$2^7\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:165

約数の個数: 192

約数和(自身を含む): 1736448000

約数和(自身を除く): 1015775872

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 31, 32, 38, 44, 62, 64, 76, 79, 88, 121, 124, 128, 152, 158, 176, 209, 242, 248, 304, 316, 341, 352, 418, 484, 496, 589, 608, 632, 682, 704, 836, 869, 968, 992, 1178, 1216, 1264, 1364, 1408, 1501, 1672, 1738, 1936, 1984, 2299, 2356, 2432, 2449, 2528, 2728, 3002, 3344, 3476, 3751, 3872, 3968, 4598, 4712, 4898, 5056, 5456, 6004, 6479, 6688, 6952, 7502, 7744, 9196, 9424, 9559, 9796, 10112, 10912, 12008, 12958, 13376, 13904, 15004, 15488, 16511, 18392, 18848, 19118, 19592, 21824, 24016, 25916, 26752, 26939, 27808, 30008, 33022, 36784, 37696, 38236, 39184, 43648, 46531, 48032, 51832, 53878, 55616, 60016, 66044, 71269, 73568, 75392, 76472, 78368, 93062, 96064, 103664, 107756, 111232, 120032, 132088, 142538, 147136, 152944, 156736, 181621, 186124, 192128, 207328, 215512, 240064, 264176, 285076, 294272, 296329, 305888, 313472, 363242, 372248, 414656, 431024, 480128, 511841, 528352, 570152, 592658, 611776, 726484, 744496, 829312, 862048, 1023682, 1056704, 1140304, 1185316, 1223552, 1452968, 1488992, 1724096, 2047364, 2113408, 2280608, 2370632, 2905936, 2977984, 3448192, 4094728, 4561216, 4741264, 5630251, 5811872, 5955968, 8189456, 9122432, 9482528, 11260502, 11623744, 16378912, 18965056, 22521004, 23247488, 32757824, 37930112, 45042008, 65515648, 90084016, 180168032, 360336064, 720672128]

約数ペア:

[(1, 720672128), (2, 360336064), (4, 180168032), (8, 90084016), (11, 65515648), (16, 45042008), (19, 37930112), (22, 32757824), (31, 23247488), (32, 22521004), (38, 18965056), (44, 16378912), (62, 11623744), (64, 11260502), (76, 9482528), (79, 9122432), (88, 8189456), (121, 5955968), (124, 5811872), (128, 5630251), (152, 4741264), (158, 4561216), (176, 4094728), (209, 3448192), (242, 2977984), (248, 2905936), (304, 2370632), (316, 2280608), (341, 2113408), (352, 2047364), (418, 1724096), (484, 1488992), (496, 1452968), (589, 1223552), (608, 1185316), (632, 1140304), (682, 1056704), (704, 1023682), (836, 862048), (869, 829312), (968, 744496), (992, 726484), (1178, 611776), (1216, 592658), (1264, 570152), (1364, 528352), (1408, 511841), (1501, 480128), (1672, 431024), (1738, 414656), (1936, 372248), (1984, 363242), (2299, 313472), (2356, 305888), (2432, 296329), (2449, 294272), (2528, 285076), (2728, 264176), (3002, 240064), (3344, 215512), (3476, 207328), (3751, 192128), (3872, 186124), (3968, 181621), (4598, 156736), (4712, 152944), (4898, 147136), (5056, 142538), (5456, 132088), (6004, 120032), (6479, 111232), (6688, 107756), (6952, 103664), (7502, 96064), (7744, 93062), (9196, 78368), (9424, 76472), (9559, 75392), (9796, 73568), (10112, 71269), (10912, 66044), (12008, 60016), (12958, 55616), (13376, 53878), (13904, 51832), (15004, 48032), (15488, 46531), (16511, 43648), (18392, 39184), (18848, 38236), (19118, 37696), (19592, 36784), (21824, 33022), (24016, 30008), (25916, 27808), (26752, 26939)]