30878760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:331

約数の個数: 128

約数和(自身を含む): 102384000

約数和(自身を除く): 71505240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 149, 157, 165, 220, 264, 298, 314, 330, 440, 447, 471, 596, 628, 660, 745, 785, 894, 942, 1192, 1256, 1320, 1490, 1570, 1639, 1727, 1788, 1884, 2235, 2355, 2980, 3140, 3278, 3454, 3576, 3768, 4470, 4710, 4917, 5181, 5960, 6280, 6556, 6908, 8195, 8635, 8940, 9420, 9834, 10362, 13112, 13816, 16390, 17270, 17880, 18840, 19668, 20724, 23393, 24585, 25905, 32780, 34540, 39336, 41448, 46786, 49170, 51810, 65560, 69080, 70179, 93572, 98340, 103620, 116965, 140358, 187144, 196680, 207240, 233930, 257323, 280716, 350895, 467860, 514646, 561432, 701790, 771969, 935720, 1029292, 1286615, 1403580, 1543938, 2058584, 2573230, 2807160, 3087876, 3859845, 5146460, 6175752, 7719690, 10292920, 15439380, 30878760]

約数ペア:

[(1, 30878760), (2, 15439380), (3, 10292920), (4, 7719690), (5, 6175752), (6, 5146460), (8, 3859845), (10, 3087876), (11, 2807160), (12, 2573230), (15, 2058584), (20, 1543938), (22, 1403580), (24, 1286615), (30, 1029292), (33, 935720), (40, 771969), (44, 701790), (55, 561432), (60, 514646), (66, 467860), (88, 350895), (110, 280716), (120, 257323), (132, 233930), (149, 207240), (157, 196680), (165, 187144), (220, 140358), (264, 116965), (298, 103620), (314, 98340), (330, 93572), (440, 70179), (447, 69080), (471, 65560), (596, 51810), (628, 49170), (660, 46786), (745, 41448), (785, 39336), (894, 34540), (942, 32780), (1192, 25905), (1256, 24585), (1320, 23393), (1490, 20724), (1570, 19668), (1639, 18840), (1727, 17880), (1788, 17270), (1884, 16390), (2235, 13816), (2355, 13112), (2980, 10362), (3140, 9834), (3278, 9420), (3454, 8940), (3576, 8635), (3768, 8195), (4470, 6908), (4710, 6556), (4917, 6280), (5181, 5960)]