644005728

素因数分解:

$2^5\times 3^4\times {\mathrm{367}}^1\times {\mathrm{677}}^1$

素因数の和:1066

約数の個数: 120

約数和(自身を含む): 1901968992

約数和(自身を除く): 1257963264

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, 288, 324, 367, 432, 648, 677, 734, 864, 1101, 1296, 1354, 1468, 2031, 2202, 2592, 2708, 2936, 3303, 4062, 4404, 5416, 5872, 6093, 6606, 8124, 8808, 9909, 10832, 11744, 12186, 13212, 16248, 17616, 18279, 19818, 21664, 24372, 26424, 29727, 32496, 35232, 36558, 39636, 48744, 52848, 54837, 59454, 64992, 73116, 79272, 97488, 105696, 109674, 118908, 146232, 158544, 194976, 219348, 237816, 248459, 292464, 317088, 438696, 475632, 496918, 584928, 745377, 877392, 951264, 993836, 1490754, 1754784, 1987672, 2236131, 2981508, 3975344, 4472262, 5963016, 6708393, 7950688, 8944524, 11926032, 13416786, 17889048, 20125179, 23852064, 26833572, 35778096, 40250358, 53667144, 71556192, 80500716, 107334288, 161001432, 214668576, 322002864, 644005728]

約数ペア:

[(1, 644005728), (2, 322002864), (3, 214668576), (4, 161001432), (6, 107334288), (8, 80500716), (9, 71556192), (12, 53667144), (16, 40250358), (18, 35778096), (24, 26833572), (27, 23852064), (32, 20125179), (36, 17889048), (48, 13416786), (54, 11926032), (72, 8944524), (81, 7950688), (96, 6708393), (108, 5963016), (144, 4472262), (162, 3975344), (216, 2981508), (288, 2236131), (324, 1987672), (367, 1754784), (432, 1490754), (648, 993836), (677, 951264), (734, 877392), (864, 745377), (1101, 584928), (1296, 496918), (1354, 475632), (1468, 438696), (2031, 317088), (2202, 292464), (2592, 248459), (2708, 237816), (2936, 219348), (3303, 194976), (4062, 158544), (4404, 146232), (5416, 118908), (5872, 109674), (6093, 105696), (6606, 97488), (8124, 79272), (8808, 73116), (9909, 64992), (10832, 59454), (11744, 54837), (12186, 52848), (13212, 48744), (16248, 39636), (17616, 36558), (18279, 35232), (19818, 32496), (21664, 29727), (24372, 26424)]