128897568

素因数分解:

$2^5\times 3^4\times {\mathrm{223}}^2$

素因数の和:468

約数の個数: 90

約数和(自身を含む): 380791719

約数和(自身を除く): 251894151

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 144, 162, 216, 223, 288, 324, 432, 446, 648, 669, 864, 892, 1296, 1338, 1784, 2007, 2592, 2676, 3568, 4014, 5352, 6021, 7136, 8028, 10704, 12042, 16056, 18063, 21408, 24084, 32112, 36126, 48168, 49729, 64224, 72252, 96336, 99458, 144504, 149187, 192672, 198916, 289008, 298374, 397832, 447561, 578016, 596748, 795664, 895122, 1193496, 1342683, 1591328, 1790244, 2386992, 2685366, 3580488, 4028049, 4773984, 5370732, 7160976, 8056098, 10741464, 14321952, 16112196, 21482928, 32224392, 42965856, 64448784, 128897568]

約数ペア:

[(1, 128897568), (2, 64448784), (3, 42965856), (4, 32224392), (6, 21482928), (8, 16112196), (9, 14321952), (12, 10741464), (16, 8056098), (18, 7160976), (24, 5370732), (27, 4773984), (32, 4028049), (36, 3580488), (48, 2685366), (54, 2386992), (72, 1790244), (81, 1591328), (96, 1342683), (108, 1193496), (144, 895122), (162, 795664), (216, 596748), (223, 578016), (288, 447561), (324, 397832), (432, 298374), (446, 289008), (648, 198916), (669, 192672), (864, 149187), (892, 144504), (1296, 99458), (1338, 96336), (1784, 72252), (2007, 64224), (2592, 49729), (2676, 48168), (3568, 36126), (4014, 32112), (5352, 24084), (6021, 21408), (7136, 18063), (8028, 16056), (10704, 12042)]