12980492820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{911}}^1\times {\mathrm{79159}}^1$

素因数の和:80085

約数の個数: 72

約数和(自身を含む): 39417880320

約数和(自身を除く): 26437387500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 911, 1822, 2733, 3644, 4555, 5466, 8199, 9110, 10932, 13665, 16398, 18220, 27330, 32796, 40995, 54660, 79159, 81990, 158318, 163980, 237477, 316636, 395795, 474954, 712431, 791590, 949908, 1187385, 1424862, 1583180, 2374770, 2849724, 3562155, 4749540, 7124310, 14248620, 72113849, 144227698, 216341547, 288455396, 360569245, 432683094, 649024641, 721138490, 865366188, 1081707735, 1298049282, 1442276980, 2163415470, 2596098564, 3245123205, 4326830940, 6490246410, 12980492820]

約数ペア:

[(1, 12980492820), (2, 6490246410), (3, 4326830940), (4, 3245123205), (5, 2596098564), (6, 2163415470), (9, 1442276980), (10, 1298049282), (12, 1081707735), (15, 865366188), (18, 721138490), (20, 649024641), (30, 432683094), (36, 360569245), (45, 288455396), (60, 216341547), (90, 144227698), (180, 72113849), (911, 14248620), (1822, 7124310), (2733, 4749540), (3644, 3562155), (4555, 2849724), (5466, 2374770), (8199, 1583180), (9110, 1424862), (10932, 1187385), (13665, 949908), (16398, 791590), (18220, 712431), (27330, 474954), (32796, 395795), (40995, 316636), (54660, 237477), (79159, 163980), (81990, 158318)]