30531480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1913}}^1$

素因数の和:1953

約数の個数: 128

約数和(自身を含む): 110246400

約数和(自身を除く): 79714920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1913, 1995, 2280, 2660, 3192, 3826, 3990, 5320, 5739, 7652, 7980, 9565, 11478, 13391, 15304, 15960, 19130, 22956, 26782, 28695, 36347, 38260, 40173, 45912, 53564, 57390, 66955, 72694, 76520, 80346, 107128, 109041, 114780, 133910, 145388, 160692, 181735, 200865, 218082, 229560, 254429, 267820, 290776, 321384, 363470, 401730, 436164, 508858, 535640, 545205, 726940, 763287, 803460, 872328, 1017716, 1090410, 1272145, 1453880, 1526574, 1606920, 2035432, 2180820, 2544290, 3053148, 3816435, 4361640, 5088580, 6106296, 7632870, 10177160, 15265740, 30531480]

約数ペア:

[(1, 30531480), (2, 15265740), (3, 10177160), (4, 7632870), (5, 6106296), (6, 5088580), (7, 4361640), (8, 3816435), (10, 3053148), (12, 2544290), (14, 2180820), (15, 2035432), (19, 1606920), (20, 1526574), (21, 1453880), (24, 1272145), (28, 1090410), (30, 1017716), (35, 872328), (38, 803460), (40, 763287), (42, 726940), (56, 545205), (57, 535640), (60, 508858), (70, 436164), (76, 401730), (84, 363470), (95, 321384), (105, 290776), (114, 267820), (120, 254429), (133, 229560), (140, 218082), (152, 200865), (168, 181735), (190, 160692), (210, 145388), (228, 133910), (266, 114780), (280, 109041), (285, 107128), (380, 80346), (399, 76520), (420, 72694), (456, 66955), (532, 57390), (570, 53564), (665, 45912), (760, 40173), (798, 38260), (840, 36347), (1064, 28695), (1140, 26782), (1330, 22956), (1596, 19130), (1913, 15960), (1995, 15304), (2280, 13391), (2660, 11478), (3192, 9565), (3826, 7980), (3990, 7652), (5320, 5739)]