78433040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{617}}^1$

素因数の和:864

約数の個数: 80

約数和(自身を含む): 209665152

約数和(自身を除く): 131232112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 227, 280, 454, 560, 617, 908, 1135, 1234, 1589, 1816, 2270, 2468, 3085, 3178, 3632, 4319, 4540, 4936, 6170, 6356, 7945, 8638, 9080, 9872, 12340, 12712, 15890, 17276, 18160, 21595, 24680, 25424, 31780, 34552, 43190, 49360, 63560, 69104, 86380, 127120, 140059, 172760, 280118, 345520, 560236, 700295, 980413, 1120472, 1400590, 1960826, 2240944, 2801180, 3921652, 4902065, 5602360, 7843304, 9804130, 11204720, 15686608, 19608260, 39216520, 78433040]

約数ペア:

[(1, 78433040), (2, 39216520), (4, 19608260), (5, 15686608), (7, 11204720), (8, 9804130), (10, 7843304), (14, 5602360), (16, 4902065), (20, 3921652), (28, 2801180), (35, 2240944), (40, 1960826), (56, 1400590), (70, 1120472), (80, 980413), (112, 700295), (140, 560236), (227, 345520), (280, 280118), (454, 172760), (560, 140059), (617, 127120), (908, 86380), (1135, 69104), (1234, 63560), (1589, 49360), (1816, 43190), (2270, 34552), (2468, 31780), (3085, 25424), (3178, 24680), (3632, 21595), (4319, 18160), (4540, 17276), (4936, 15890), (6170, 12712), (6356, 12340), (7945, 9872), (8638, 9080)]