1738646780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{12689}}^1$

素因数の和:12759

約数の個数: 96

約数和(自身を含む): 4297950720

約数和(自身を除く): 2559303940

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 31, 34, 52, 62, 65, 68, 85, 124, 130, 155, 170, 221, 260, 310, 340, 403, 442, 527, 620, 806, 884, 1054, 1105, 1612, 2015, 2108, 2210, 2635, 4030, 4420, 5270, 6851, 8060, 10540, 12689, 13702, 25378, 27404, 34255, 50756, 63445, 68510, 126890, 137020, 164957, 215713, 253780, 329914, 393359, 431426, 659828, 786718, 824785, 862852, 1078565, 1573436, 1649570, 1966795, 2157130, 2804269, 3299140, 3933590, 4314260, 5113667, 5608538, 6687103, 7867180, 10227334, 11217076, 13374206, 14021345, 20454668, 25568335, 26748412, 28042690, 33435515, 51136670, 56085380, 66871030, 86932339, 102273340, 133742060, 173864678, 347729356, 434661695, 869323390, 1738646780]

約数ペア:

[(1, 1738646780), (2, 869323390), (4, 434661695), (5, 347729356), (10, 173864678), (13, 133742060), (17, 102273340), (20, 86932339), (26, 66871030), (31, 56085380), (34, 51136670), (52, 33435515), (62, 28042690), (65, 26748412), (68, 25568335), (85, 20454668), (124, 14021345), (130, 13374206), (155, 11217076), (170, 10227334), (221, 7867180), (260, 6687103), (310, 5608538), (340, 5113667), (403, 4314260), (442, 3933590), (527, 3299140), (620, 2804269), (806, 2157130), (884, 1966795), (1054, 1649570), (1105, 1573436), (1612, 1078565), (2015, 862852), (2108, 824785), (2210, 786718), (2635, 659828), (4030, 431426), (4420, 393359), (5270, 329914), (6851, 253780), (8060, 215713), (10540, 164957), (12689, 137020), (13702, 126890), (25378, 68510), (27404, 63445), (34255, 50756)]