81880610

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1$

素因数の和:531

約数の個数: 64

約数和(自身を含む): 176117760

約数和(自身を除く): 94237150

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 97, 155, 194, 217, 310, 389, 434, 485, 679, 778, 970, 1085, 1358, 1945, 2170, 2723, 3007, 3395, 3890, 5446, 6014, 6790, 12059, 13615, 15035, 21049, 24118, 27230, 30070, 37733, 42098, 60295, 75466, 84413, 105245, 120590, 168826, 188665, 210490, 264131, 377330, 422065, 528262, 844130, 1169723, 1320655, 2339446, 2641310, 5848615, 8188061, 11697230, 16376122, 40940305, 81880610]

約数ペア:

[(1, 81880610), (2, 40940305), (5, 16376122), (7, 11697230), (10, 8188061), (14, 5848615), (31, 2641310), (35, 2339446), (62, 1320655), (70, 1169723), (97, 844130), (155, 528262), (194, 422065), (217, 377330), (310, 264131), (389, 210490), (434, 188665), (485, 168826), (679, 120590), (778, 105245), (970, 84413), (1085, 75466), (1358, 60295), (1945, 42098), (2170, 37733), (2723, 30070), (3007, 27230), (3395, 24118), (3890, 21049), (5446, 15035), (6014, 13615), (6790, 12059)]