15031280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:103

約数の個数: 160

約数和(自身を含む): 42854400

約数和(自身を除く): 27823120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 29, 31, 38, 40, 44, 55, 58, 62, 76, 80, 88, 95, 110, 116, 124, 145, 152, 155, 176, 190, 209, 220, 232, 248, 290, 304, 310, 319, 341, 380, 418, 440, 464, 496, 551, 580, 589, 620, 638, 682, 760, 836, 880, 899, 1045, 1102, 1160, 1178, 1240, 1276, 1364, 1520, 1595, 1672, 1705, 1798, 2090, 2204, 2320, 2356, 2480, 2552, 2728, 2755, 2945, 3190, 3344, 3410, 3596, 4180, 4408, 4495, 4712, 5104, 5456, 5510, 5890, 6061, 6380, 6479, 6820, 7192, 8360, 8816, 8990, 9424, 9889, 11020, 11780, 12122, 12760, 12958, 13640, 14384, 16720, 17081, 17980, 19778, 22040, 23560, 24244, 25520, 25916, 27280, 30305, 32395, 34162, 35960, 39556, 44080, 47120, 48488, 49445, 51832, 60610, 64790, 68324, 71920, 79112, 85405, 96976, 98890, 103664, 121220, 129580, 136648, 158224, 170810, 187891, 197780, 242440, 259160, 273296, 341620, 375782, 395560, 484880, 518320, 683240, 751564, 791120, 939455, 1366480, 1503128, 1878910, 3006256, 3757820, 7515640, 15031280]

約数ペア:

[(1, 15031280), (2, 7515640), (4, 3757820), (5, 3006256), (8, 1878910), (10, 1503128), (11, 1366480), (16, 939455), (19, 791120), (20, 751564), (22, 683240), (29, 518320), (31, 484880), (38, 395560), (40, 375782), (44, 341620), (55, 273296), (58, 259160), (62, 242440), (76, 197780), (80, 187891), (88, 170810), (95, 158224), (110, 136648), (116, 129580), (124, 121220), (145, 103664), (152, 98890), (155, 96976), (176, 85405), (190, 79112), (209, 71920), (220, 68324), (232, 64790), (248, 60610), (290, 51832), (304, 49445), (310, 48488), (319, 47120), (341, 44080), (380, 39556), (418, 35960), (440, 34162), (464, 32395), (496, 30305), (551, 27280), (580, 25916), (589, 25520), (620, 24244), (638, 23560), (682, 22040), (760, 19778), (836, 17980), (880, 17081), (899, 16720), (1045, 14384), (1102, 13640), (1160, 12958), (1178, 12760), (1240, 12122), (1276, 11780), (1364, 11020), (1520, 9889), (1595, 9424), (1672, 8990), (1705, 8816), (1798, 8360), (2090, 7192), (2204, 6820), (2320, 6479), (2356, 6380), (2480, 6061), (2552, 5890), (2728, 5510), (2755, 5456), (2945, 5104), (3190, 4712), (3344, 4495), (3410, 4408), (3596, 4180)]