1621103610

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{503}}^1$

素因数の和:772

約数の個数: 128

約数和(自身を含む): 4528742400

約数和(自身を除く): 2907638790

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 103, 105, 149, 206, 210, 298, 309, 447, 503, 515, 618, 721, 745, 894, 1006, 1030, 1043, 1442, 1490, 1509, 1545, 2086, 2163, 2235, 2515, 3018, 3090, 3129, 3521, 3605, 4326, 4470, 5030, 5215, 6258, 7042, 7210, 7545, 10430, 10563, 10815, 15090, 15347, 15645, 17605, 21126, 21630, 30694, 31290, 35210, 46041, 51809, 52815, 74947, 76735, 92082, 103618, 105630, 107429, 149894, 153470, 155427, 214858, 224841, 230205, 259045, 310854, 322287, 362663, 374735, 449682, 460410, 518090, 524629, 537145, 644574, 725326, 749470, 777135, 1049258, 1074290, 1087989, 1124205, 1554270, 1573887, 1611435, 1813315, 2175978, 2248410, 2623145, 3147774, 3222870, 3626630, 5246290, 5439945, 7719541, 7869435, 10879890, 15439082, 15738870, 23158623, 38597705, 46317246, 54036787, 77195410, 108073574, 115793115, 162110361, 231586230, 270183935, 324220722, 540367870, 810551805, 1621103610]

約数ペア:

[(1, 1621103610), (2, 810551805), (3, 540367870), (5, 324220722), (6, 270183935), (7, 231586230), (10, 162110361), (14, 115793115), (15, 108073574), (21, 77195410), (30, 54036787), (35, 46317246), (42, 38597705), (70, 23158623), (103, 15738870), (105, 15439082), (149, 10879890), (206, 7869435), (210, 7719541), (298, 5439945), (309, 5246290), (447, 3626630), (503, 3222870), (515, 3147774), (618, 2623145), (721, 2248410), (745, 2175978), (894, 1813315), (1006, 1611435), (1030, 1573887), (1043, 1554270), (1442, 1124205), (1490, 1087989), (1509, 1074290), (1545, 1049258), (2086, 777135), (2163, 749470), (2235, 725326), (2515, 644574), (3018, 537145), (3090, 524629), (3129, 518090), (3521, 460410), (3605, 449682), (4326, 374735), (4470, 362663), (5030, 322287), (5215, 310854), (6258, 259045), (7042, 230205), (7210, 224841), (7545, 214858), (10430, 155427), (10563, 153470), (10815, 149894), (15090, 107429), (15347, 105630), (15645, 103618), (17605, 92082), (21126, 76735), (21630, 74947), (30694, 52815), (31290, 51809), (35210, 46041)]