248937984

素因数分解:

$2^9\times 3^2\times {\mathrm{89}}^1\times {\mathrm{607}}^1$

素因数の和:720

約数の個数: 120

約数和(自身を含む): 727721280

約数和(自身を除く): 478783296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 89, 96, 128, 144, 178, 192, 256, 267, 288, 356, 384, 512, 534, 576, 607, 712, 768, 801, 1068, 1152, 1214, 1424, 1536, 1602, 1821, 2136, 2304, 2428, 2848, 3204, 3642, 4272, 4608, 4856, 5463, 5696, 6408, 7284, 8544, 9712, 10926, 11392, 12816, 14568, 17088, 19424, 21852, 22784, 25632, 29136, 34176, 38848, 43704, 45568, 51264, 54023, 58272, 68352, 77696, 87408, 102528, 108046, 116544, 136704, 155392, 162069, 174816, 205056, 216092, 233088, 310784, 324138, 349632, 410112, 432184, 466176, 486207, 648276, 699264, 864368, 932352, 972414, 1296552, 1398528, 1728736, 1944828, 2593104, 2797056, 3457472, 3889656, 5186208, 6914944, 7779312, 10372416, 13829888, 15558624, 20744832, 27659776, 31117248, 41489664, 62234496, 82979328, 124468992, 248937984]

約数ペア:

[(1, 248937984), (2, 124468992), (3, 82979328), (4, 62234496), (6, 41489664), (8, 31117248), (9, 27659776), (12, 20744832), (16, 15558624), (18, 13829888), (24, 10372416), (32, 7779312), (36, 6914944), (48, 5186208), (64, 3889656), (72, 3457472), (89, 2797056), (96, 2593104), (128, 1944828), (144, 1728736), (178, 1398528), (192, 1296552), (256, 972414), (267, 932352), (288, 864368), (356, 699264), (384, 648276), (512, 486207), (534, 466176), (576, 432184), (607, 410112), (712, 349632), (768, 324138), (801, 310784), (1068, 233088), (1152, 216092), (1214, 205056), (1424, 174816), (1536, 162069), (1602, 155392), (1821, 136704), (2136, 116544), (2304, 108046), (2428, 102528), (2848, 87408), (3204, 77696), (3642, 68352), (4272, 58272), (4608, 54023), (4856, 51264), (5463, 45568), (5696, 43704), (6408, 38848), (7284, 34176), (8544, 29136), (9712, 25632), (10926, 22784), (11392, 21852), (12816, 19424), (14568, 17088)]