15539720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:187

約数の個数: 128

約数和(自身を含む): 44236800

約数和(自身を除く): 28697080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 23, 28, 35, 38, 40, 46, 56, 70, 76, 92, 95, 115, 127, 133, 140, 152, 161, 184, 190, 230, 254, 266, 280, 322, 380, 437, 460, 508, 532, 635, 644, 665, 760, 805, 874, 889, 920, 1016, 1064, 1270, 1288, 1330, 1610, 1748, 1778, 2185, 2413, 2540, 2660, 2921, 3059, 3220, 3496, 3556, 4370, 4445, 4826, 5080, 5320, 5842, 6118, 6440, 7112, 8740, 8890, 9652, 11684, 12065, 12236, 14605, 15295, 16891, 17480, 17780, 19304, 20447, 23368, 24130, 24472, 29210, 30590, 33782, 35560, 40894, 48260, 55499, 58420, 61180, 67564, 81788, 84455, 96520, 102235, 110998, 116840, 122360, 135128, 163576, 168910, 204470, 221996, 277495, 337820, 388493, 408940, 443992, 554990, 675640, 776986, 817880, 1109980, 1553972, 1942465, 2219960, 3107944, 3884930, 7769860, 15539720]

約数ペア:

[(1, 15539720), (2, 7769860), (4, 3884930), (5, 3107944), (7, 2219960), (8, 1942465), (10, 1553972), (14, 1109980), (19, 817880), (20, 776986), (23, 675640), (28, 554990), (35, 443992), (38, 408940), (40, 388493), (46, 337820), (56, 277495), (70, 221996), (76, 204470), (92, 168910), (95, 163576), (115, 135128), (127, 122360), (133, 116840), (140, 110998), (152, 102235), (161, 96520), (184, 84455), (190, 81788), (230, 67564), (254, 61180), (266, 58420), (280, 55499), (322, 48260), (380, 40894), (437, 35560), (460, 33782), (508, 30590), (532, 29210), (635, 24472), (644, 24130), (665, 23368), (760, 20447), (805, 19304), (874, 17780), (889, 17480), (920, 16891), (1016, 15295), (1064, 14605), (1270, 12236), (1288, 12065), (1330, 11684), (1610, 9652), (1748, 8890), (1778, 8740), (2185, 7112), (2413, 6440), (2540, 6118), (2660, 5842), (2921, 5320), (3059, 5080), (3220, 4826), (3496, 4445), (3556, 4370)]