216904920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{397}}^1$

素因数の和:597

約数の個数: 128

約数和(自身を含む): 679147200

約数和(自身を除く): 462242280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 157, 174, 232, 290, 314, 348, 397, 435, 471, 580, 628, 696, 785, 794, 870, 942, 1160, 1191, 1256, 1570, 1588, 1740, 1884, 1985, 2355, 2382, 3140, 3176, 3480, 3768, 3970, 4553, 4710, 4764, 5955, 6280, 7940, 9106, 9420, 9528, 11513, 11910, 13659, 15880, 18212, 18840, 22765, 23026, 23820, 27318, 34539, 36424, 45530, 46052, 47640, 54636, 57565, 62329, 68295, 69078, 91060, 92104, 109272, 115130, 124658, 136590, 138156, 172695, 182120, 186987, 230260, 249316, 273180, 276312, 311645, 345390, 373974, 460520, 498632, 546360, 623290, 690780, 747948, 934935, 1246580, 1381560, 1495896, 1807541, 1869870, 2493160, 3615082, 3739740, 5422623, 7230164, 7479480, 9037705, 10845246, 14460328, 18075410, 21690492, 27113115, 36150820, 43380984, 54226230, 72301640, 108452460, 216904920]

約数ペア:

[(1, 216904920), (2, 108452460), (3, 72301640), (4, 54226230), (5, 43380984), (6, 36150820), (8, 27113115), (10, 21690492), (12, 18075410), (15, 14460328), (20, 10845246), (24, 9037705), (29, 7479480), (30, 7230164), (40, 5422623), (58, 3739740), (60, 3615082), (87, 2493160), (116, 1869870), (120, 1807541), (145, 1495896), (157, 1381560), (174, 1246580), (232, 934935), (290, 747948), (314, 690780), (348, 623290), (397, 546360), (435, 498632), (471, 460520), (580, 373974), (628, 345390), (696, 311645), (785, 276312), (794, 273180), (870, 249316), (942, 230260), (1160, 186987), (1191, 182120), (1256, 172695), (1570, 138156), (1588, 136590), (1740, 124658), (1884, 115130), (1985, 109272), (2355, 92104), (2382, 91060), (3140, 69078), (3176, 68295), (3480, 62329), (3768, 57565), (3970, 54636), (4553, 47640), (4710, 46052), (4764, 45530), (5955, 36424), (6280, 34539), (7940, 27318), (9106, 23820), (9420, 23026), (9528, 22765), (11513, 18840), (11910, 18212), (13659, 15880)]