15681568

素因数分解:

$2^5\times 7^2\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:234

約数の個数: 72

約数和(自身を含む): 36671292

約数和(自身を除く): 20989724

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 73, 98, 112, 137, 146, 196, 224, 274, 292, 392, 511, 548, 584, 784, 959, 1022, 1096, 1168, 1568, 1918, 2044, 2192, 2336, 3577, 3836, 4088, 4384, 6713, 7154, 7672, 8176, 10001, 13426, 14308, 15344, 16352, 20002, 26852, 28616, 30688, 40004, 53704, 57232, 70007, 80008, 107408, 114464, 140014, 160016, 214816, 280028, 320032, 490049, 560056, 980098, 1120112, 1960196, 2240224, 3920392, 7840784, 15681568]

約数ペア:

[(1, 15681568), (2, 7840784), (4, 3920392), (7, 2240224), (8, 1960196), (14, 1120112), (16, 980098), (28, 560056), (32, 490049), (49, 320032), (56, 280028), (73, 214816), (98, 160016), (112, 140014), (137, 114464), (146, 107408), (196, 80008), (224, 70007), (274, 57232), (292, 53704), (392, 40004), (511, 30688), (548, 28616), (584, 26852), (784, 20002), (959, 16352), (1022, 15344), (1096, 14308), (1168, 13426), (1568, 10001), (1918, 8176), (2044, 7672), (2192, 7154), (2336, 6713), (3577, 4384), (3836, 4088)]