247331280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{147221}}^1$

素因数の和:147244

約数の個数: 80

約数和(自身を含む): 876265344

約数和(自身を除く): 628934064

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 147221, 294442, 441663, 588884, 736105, 883326, 1030547, 1177768, 1472210, 1766652, 2061094, 2208315, 2355536, 2944420, 3091641, 3533304, 4122188, 4416630, 5152735, 5888840, 6183282, 7066608, 8244376, 8833260, 10305470, 11777680, 12366564, 15458205, 16488752, 17666520, 20610940, 24733128, 30916410, 35333040, 41221880, 49466256, 61832820, 82443760, 123665640, 247331280]

約数ペア:

[(1, 247331280), (2, 123665640), (3, 82443760), (4, 61832820), (5, 49466256), (6, 41221880), (7, 35333040), (8, 30916410), (10, 24733128), (12, 20610940), (14, 17666520), (15, 16488752), (16, 15458205), (20, 12366564), (21, 11777680), (24, 10305470), (28, 8833260), (30, 8244376), (35, 7066608), (40, 6183282), (42, 5888840), (48, 5152735), (56, 4416630), (60, 4122188), (70, 3533304), (80, 3091641), (84, 2944420), (105, 2355536), (112, 2208315), (120, 2061094), (140, 1766652), (168, 1472210), (210, 1177768), (240, 1030547), (280, 883326), (336, 736105), (420, 588884), (560, 441663), (840, 294442), (1680, 147221)]