219212820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{7757}}^1$

素因数の和:7929

約数の個数: 72

約数和(自身を含む): 669267144

約数和(自身を除く): 450054324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 785, 942, 1413, 1570, 1884, 2355, 2826, 3140, 4710, 5652, 7065, 7757, 9420, 14130, 15514, 23271, 28260, 31028, 38785, 46542, 69813, 77570, 93084, 116355, 139626, 155140, 232710, 279252, 349065, 465420, 698130, 1217849, 1396260, 2435698, 3653547, 4871396, 6089245, 7307094, 10960641, 12178490, 14614188, 18267735, 21921282, 24356980, 36535470, 43842564, 54803205, 73070940, 109606410, 219212820]

約数ペア:

[(1, 219212820), (2, 109606410), (3, 73070940), (4, 54803205), (5, 43842564), (6, 36535470), (9, 24356980), (10, 21921282), (12, 18267735), (15, 14614188), (18, 12178490), (20, 10960641), (30, 7307094), (36, 6089245), (45, 4871396), (60, 3653547), (90, 2435698), (157, 1396260), (180, 1217849), (314, 698130), (471, 465420), (628, 349065), (785, 279252), (942, 232710), (1413, 155140), (1570, 139626), (1884, 116355), (2355, 93084), (2826, 77570), (3140, 69813), (4710, 46542), (5652, 38785), (7065, 31028), (7757, 28260), (9420, 23271), (14130, 15514)]