30721992

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:411

約数の個数: 128

約数和(自身を含む): 96215040

約数和(自身を除く): 65493048

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 31, 34, 42, 51, 56, 62, 68, 84, 93, 102, 119, 124, 136, 168, 186, 204, 217, 238, 248, 347, 357, 372, 408, 434, 476, 527, 651, 694, 714, 744, 868, 952, 1041, 1054, 1302, 1388, 1428, 1581, 1736, 2082, 2108, 2429, 2604, 2776, 2856, 3162, 3689, 4164, 4216, 4858, 5208, 5899, 6324, 7287, 7378, 8328, 9716, 10757, 11067, 11798, 12648, 14574, 14756, 17697, 19432, 21514, 22134, 23596, 29148, 29512, 32271, 35394, 41293, 43028, 44268, 47192, 58296, 64542, 70788, 75299, 82586, 86056, 88536, 123879, 129084, 141576, 150598, 165172, 182869, 225897, 247758, 258168, 301196, 330344, 365738, 451794, 495516, 548607, 602392, 731476, 903588, 991032, 1097214, 1280083, 1462952, 1807176, 2194428, 2560166, 3840249, 4388856, 5120332, 7680498, 10240664, 15360996, 30721992]

約数ペア:

[(1, 30721992), (2, 15360996), (3, 10240664), (4, 7680498), (6, 5120332), (7, 4388856), (8, 3840249), (12, 2560166), (14, 2194428), (17, 1807176), (21, 1462952), (24, 1280083), (28, 1097214), (31, 991032), (34, 903588), (42, 731476), (51, 602392), (56, 548607), (62, 495516), (68, 451794), (84, 365738), (93, 330344), (102, 301196), (119, 258168), (124, 247758), (136, 225897), (168, 182869), (186, 165172), (204, 150598), (217, 141576), (238, 129084), (248, 123879), (347, 88536), (357, 86056), (372, 82586), (408, 75299), (434, 70788), (476, 64542), (527, 58296), (651, 47192), (694, 44268), (714, 43028), (744, 41293), (868, 35394), (952, 32271), (1041, 29512), (1054, 29148), (1302, 23596), (1388, 22134), (1428, 21514), (1581, 19432), (1736, 17697), (2082, 14756), (2108, 14574), (2429, 12648), (2604, 11798), (2776, 11067), (2856, 10757), (3162, 9716), (3689, 8328), (4164, 7378), (4216, 7287), (4858, 6324), (5208, 5899)]