22911280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:434

約数の個数: 80

約数和(自身を含む): 61496064

約数和(自身を除く): 38584784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 163, 251, 280, 326, 502, 560, 652, 815, 1004, 1141, 1255, 1304, 1630, 1757, 2008, 2282, 2510, 2608, 3260, 3514, 4016, 4564, 5020, 5705, 6520, 7028, 8785, 9128, 10040, 11410, 13040, 14056, 17570, 18256, 20080, 22820, 28112, 35140, 40913, 45640, 70280, 81826, 91280, 140560, 163652, 204565, 286391, 327304, 409130, 572782, 654608, 818260, 1145564, 1431955, 1636520, 2291128, 2863910, 3273040, 4582256, 5727820, 11455640, 22911280]

約数ペア:

[(1, 22911280), (2, 11455640), (4, 5727820), (5, 4582256), (7, 3273040), (8, 2863910), (10, 2291128), (14, 1636520), (16, 1431955), (20, 1145564), (28, 818260), (35, 654608), (40, 572782), (56, 409130), (70, 327304), (80, 286391), (112, 204565), (140, 163652), (163, 140560), (251, 91280), (280, 81826), (326, 70280), (502, 45640), (560, 40913), (652, 35140), (815, 28112), (1004, 22820), (1141, 20080), (1255, 18256), (1304, 17570), (1630, 14056), (1757, 13040), (2008, 11410), (2282, 10040), (2510, 9128), (2608, 8785), (3260, 7028), (3514, 6520), (4016, 5705), (4564, 5020)]