131992760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{2659}}^1$

素因数の和:2760

約数の個数: 64

約数和(自身を含む): 318880800

約数和(自身を除く): 186888040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 73, 85, 136, 146, 170, 292, 340, 365, 584, 680, 730, 1241, 1460, 2482, 2659, 2920, 4964, 5318, 6205, 9928, 10636, 12410, 13295, 21272, 24820, 26590, 45203, 49640, 53180, 90406, 106360, 180812, 194107, 226015, 361624, 388214, 452030, 776428, 904060, 970535, 1552856, 1808120, 1941070, 3299819, 3882140, 6599638, 7764280, 13199276, 16499095, 26398552, 32998190, 65996380, 131992760]

約数ペア:

[(1, 131992760), (2, 65996380), (4, 32998190), (5, 26398552), (8, 16499095), (10, 13199276), (17, 7764280), (20, 6599638), (34, 3882140), (40, 3299819), (68, 1941070), (73, 1808120), (85, 1552856), (136, 970535), (146, 904060), (170, 776428), (292, 452030), (340, 388214), (365, 361624), (584, 226015), (680, 194107), (730, 180812), (1241, 106360), (1460, 90406), (2482, 53180), (2659, 49640), (2920, 45203), (4964, 26590), (5318, 24820), (6205, 21272), (9928, 13295), (10636, 12410)]