728495616

素因数分解:

$2^9\times 3^1\times {\mathrm{73}}^2\times {\mathrm{89}}^1$

素因数の和:256

約数の個数: 120

約数和(自身を含む): 1989816840

約数和(自身を除く): 1261321224

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 73, 89, 96, 128, 146, 178, 192, 219, 256, 267, 292, 356, 384, 438, 512, 534, 584, 712, 768, 876, 1068, 1168, 1424, 1536, 1752, 2136, 2336, 2848, 3504, 4272, 4672, 5329, 5696, 6497, 7008, 8544, 9344, 10658, 11392, 12994, 14016, 15987, 17088, 18688, 19491, 21316, 22784, 25988, 28032, 31974, 34176, 37376, 38982, 42632, 45568, 51976, 56064, 63948, 68352, 77964, 85264, 103952, 112128, 127896, 136704, 155928, 170528, 207904, 255792, 311856, 341056, 415808, 474281, 511584, 623712, 682112, 831616, 948562, 1023168, 1247424, 1364224, 1422843, 1663232, 1897124, 2046336, 2494848, 2728448, 2845686, 3326464, 3794248, 4092672, 4989696, 5691372, 7588496, 8185344, 9979392, 11382744, 15176992, 22765488, 30353984, 45530976, 60707968, 91061952, 121415936, 182123904, 242831872, 364247808, 728495616]

約数ペア:

[(1, 728495616), (2, 364247808), (3, 242831872), (4, 182123904), (6, 121415936), (8, 91061952), (12, 60707968), (16, 45530976), (24, 30353984), (32, 22765488), (48, 15176992), (64, 11382744), (73, 9979392), (89, 8185344), (96, 7588496), (128, 5691372), (146, 4989696), (178, 4092672), (192, 3794248), (219, 3326464), (256, 2845686), (267, 2728448), (292, 2494848), (356, 2046336), (384, 1897124), (438, 1663232), (512, 1422843), (534, 1364224), (584, 1247424), (712, 1023168), (768, 948562), (876, 831616), (1068, 682112), (1168, 623712), (1424, 511584), (1536, 474281), (1752, 415808), (2136, 341056), (2336, 311856), (2848, 255792), (3504, 207904), (4272, 170528), (4672, 155928), (5329, 136704), (5696, 127896), (6497, 112128), (7008, 103952), (8544, 85264), (9344, 77964), (10658, 68352), (11392, 63948), (12994, 56064), (14016, 51976), (15987, 45568), (17088, 42632), (18688, 38982), (19491, 37376), (21316, 34176), (22784, 31974), (25988, 28032)]