123738640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{641}}^1$

素因数の和:800

約数の個数: 80

約数和(自身を含む): 305694720

約数和(自身を除く): 181956080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 127, 152, 190, 254, 304, 380, 508, 635, 641, 760, 1016, 1270, 1282, 1520, 2032, 2413, 2540, 2564, 3205, 4826, 5080, 5128, 6410, 9652, 10160, 10256, 12065, 12179, 12820, 19304, 24130, 24358, 25640, 38608, 48260, 48716, 51280, 60895, 81407, 96520, 97432, 121790, 162814, 193040, 194864, 243580, 325628, 407035, 487160, 651256, 814070, 974320, 1302512, 1546733, 1628140, 3093466, 3256280, 6186932, 6512560, 7733665, 12373864, 15467330, 24747728, 30934660, 61869320, 123738640]

約数ペア:

[(1, 123738640), (2, 61869320), (4, 30934660), (5, 24747728), (8, 15467330), (10, 12373864), (16, 7733665), (19, 6512560), (20, 6186932), (38, 3256280), (40, 3093466), (76, 1628140), (80, 1546733), (95, 1302512), (127, 974320), (152, 814070), (190, 651256), (254, 487160), (304, 407035), (380, 325628), (508, 243580), (635, 194864), (641, 193040), (760, 162814), (1016, 121790), (1270, 97432), (1282, 96520), (1520, 81407), (2032, 60895), (2413, 51280), (2540, 48716), (2564, 48260), (3205, 38608), (4826, 25640), (5080, 24358), (5128, 24130), (6410, 19304), (9652, 12820), (10160, 12179), (10256, 12065)]