201808640

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1303}}^1$

素因数の和:1346

約数の個数: 108

約数和(自身を含む): 531742512

約数和(自身を除く): 329933872

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 128, 160, 176, 220, 242, 256, 320, 352, 440, 484, 605, 640, 704, 880, 968, 1210, 1280, 1303, 1408, 1760, 1936, 2420, 2606, 2816, 3520, 3872, 4840, 5212, 6515, 7040, 7744, 9680, 10424, 13030, 14080, 14333, 15488, 19360, 20848, 26060, 28666, 30976, 38720, 41696, 52120, 57332, 71665, 77440, 83392, 104240, 114664, 143330, 154880, 157663, 166784, 208480, 229328, 286660, 315326, 333568, 416960, 458656, 573320, 630652, 788315, 833920, 917312, 1146640, 1261304, 1576630, 1667840, 1834624, 2293280, 2522608, 3153260, 3669248, 4586560, 5045216, 6306520, 9173120, 10090432, 12613040, 18346240, 20180864, 25226080, 40361728, 50452160, 100904320, 201808640]

約数ペア:

[(1, 201808640), (2, 100904320), (4, 50452160), (5, 40361728), (8, 25226080), (10, 20180864), (11, 18346240), (16, 12613040), (20, 10090432), (22, 9173120), (32, 6306520), (40, 5045216), (44, 4586560), (55, 3669248), (64, 3153260), (80, 2522608), (88, 2293280), (110, 1834624), (121, 1667840), (128, 1576630), (160, 1261304), (176, 1146640), (220, 917312), (242, 833920), (256, 788315), (320, 630652), (352, 573320), (440, 458656), (484, 416960), (605, 333568), (640, 315326), (704, 286660), (880, 229328), (968, 208480), (1210, 166784), (1280, 157663), (1303, 154880), (1408, 143330), (1760, 114664), (1936, 104240), (2420, 83392), (2606, 77440), (2816, 71665), (3520, 57332), (3872, 52120), (4840, 41696), (5212, 38720), (6515, 30976), (7040, 28666), (7744, 26060), (9680, 20848), (10424, 19360), (13030, 15488), (14080, 14333)]