30991128

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{19}}^2\times {\mathrm{73}}^1$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 96423480

約数和(自身を除く): 65432352

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 49, 56, 57, 73, 76, 84, 98, 114, 133, 146, 147, 152, 168, 196, 219, 228, 266, 292, 294, 361, 392, 399, 438, 456, 511, 532, 584, 588, 722, 798, 876, 931, 1022, 1064, 1083, 1176, 1387, 1444, 1533, 1596, 1752, 1862, 2044, 2166, 2527, 2774, 2793, 2888, 3066, 3192, 3577, 3724, 4088, 4161, 4332, 5054, 5548, 5586, 6132, 7154, 7448, 7581, 8322, 8664, 9709, 10108, 10731, 11096, 11172, 12264, 14308, 15162, 16644, 17689, 19418, 20216, 21462, 22344, 26353, 28616, 29127, 30324, 33288, 35378, 38836, 42924, 52706, 53067, 58254, 60648, 67963, 70756, 77672, 79059, 85848, 105412, 106134, 116508, 135926, 141512, 158118, 184471, 203889, 210824, 212268, 233016, 271852, 316236, 368942, 407778, 424536, 543704, 553413, 632472, 737884, 815556, 1106826, 1291297, 1475768, 1631112, 2213652, 2582594, 3873891, 4427304, 5165188, 7747782, 10330376, 15495564, 30991128]

約数ペア:

[(1, 30991128), (2, 15495564), (3, 10330376), (4, 7747782), (6, 5165188), (7, 4427304), (8, 3873891), (12, 2582594), (14, 2213652), (19, 1631112), (21, 1475768), (24, 1291297), (28, 1106826), (38, 815556), (42, 737884), (49, 632472), (56, 553413), (57, 543704), (73, 424536), (76, 407778), (84, 368942), (98, 316236), (114, 271852), (133, 233016), (146, 212268), (147, 210824), (152, 203889), (168, 184471), (196, 158118), (219, 141512), (228, 135926), (266, 116508), (292, 106134), (294, 105412), (361, 85848), (392, 79059), (399, 77672), (438, 70756), (456, 67963), (511, 60648), (532, 58254), (584, 53067), (588, 52706), (722, 42924), (798, 38836), (876, 35378), (931, 33288), (1022, 30324), (1064, 29127), (1083, 28616), (1176, 26353), (1387, 22344), (1444, 21462), (1533, 20216), (1596, 19418), (1752, 17689), (1862, 16644), (2044, 15162), (2166, 14308), (2527, 12264), (2774, 11172), (2793, 11096), (2888, 10731), (3066, 10108), (3192, 9709), (3577, 8664), (3724, 8322), (4088, 7581), (4161, 7448), (4332, 7154), (5054, 6132), (5548, 5586)]