1278528030

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{197}}^1$

素因数の和:312

約数の個数: 192

約数和(自身を含む): 3778125120

約数和(自身を除く): 2499597090

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 43, 45, 54, 65, 78, 86, 90, 117, 129, 130, 135, 195, 197, 215, 234, 258, 270, 351, 387, 390, 394, 430, 559, 585, 591, 645, 702, 774, 985, 1118, 1161, 1170, 1182, 1290, 1677, 1755, 1773, 1849, 1935, 1970, 2322, 2561, 2795, 2955, 3354, 3510, 3546, 3698, 3870, 5031, 5122, 5319, 5547, 5590, 5805, 5910, 7683, 8385, 8471, 8865, 9245, 10062, 10638, 11094, 11610, 12805, 15093, 15366, 16641, 16770, 16942, 17730, 18490, 23049, 24037, 25155, 25413, 25610, 26595, 27735, 30186, 33282, 38415, 42355, 46098, 48074, 49923, 50310, 50826, 53190, 55470, 69147, 72111, 75465, 76239, 76830, 83205, 84710, 99846, 110123, 115245, 120185, 127065, 138294, 144222, 150930, 152478, 166410, 216333, 220246, 228717, 230490, 240370, 249615, 254130, 330369, 345735, 360555, 364253, 381195, 432666, 457434, 499230, 550615, 648999, 660738, 691470, 721110, 728506, 762390, 991107, 1081665, 1092759, 1101230, 1143585, 1297998, 1651845, 1821265, 1982214, 2163330, 2185518, 2287170, 2973321, 3244995, 3278277, 3303690, 3642530, 4735289, 4955535, 5463795, 5946642, 6489990, 6556554, 9470578, 9834831, 9911070, 10927590, 14205867, 14866605, 16391385, 19669662, 23676445, 28411734, 29733210, 32782770, 42617601, 47352890, 49174155, 71029335, 85235202, 98348310, 127852803, 142058670, 213088005, 255705606, 426176010, 639264015, 1278528030]

約数ペア:

[(1, 1278528030), (2, 639264015), (3, 426176010), (5, 255705606), (6, 213088005), (9, 142058670), (10, 127852803), (13, 98348310), (15, 85235202), (18, 71029335), (26, 49174155), (27, 47352890), (30, 42617601), (39, 32782770), (43, 29733210), (45, 28411734), (54, 23676445), (65, 19669662), (78, 16391385), (86, 14866605), (90, 14205867), (117, 10927590), (129, 9911070), (130, 9834831), (135, 9470578), (195, 6556554), (197, 6489990), (215, 5946642), (234, 5463795), (258, 4955535), (270, 4735289), (351, 3642530), (387, 3303690), (390, 3278277), (394, 3244995), (430, 2973321), (559, 2287170), (585, 2185518), (591, 2163330), (645, 1982214), (702, 1821265), (774, 1651845), (985, 1297998), (1118, 1143585), (1161, 1101230), (1170, 1092759), (1182, 1081665), (1290, 991107), (1677, 762390), (1755, 728506), (1773, 721110), (1849, 691470), (1935, 660738), (1970, 648999), (2322, 550615), (2561, 499230), (2795, 457434), (2955, 432666), (3354, 381195), (3510, 364253), (3546, 360555), (3698, 345735), (3870, 330369), (5031, 254130), (5122, 249615), (5319, 240370), (5547, 230490), (5590, 228717), (5805, 220246), (5910, 216333), (7683, 166410), (8385, 152478), (8471, 150930), (8865, 144222), (9245, 138294), (10062, 127065), (10638, 120185), (11094, 115245), (11610, 110123), (12805, 99846), (15093, 84710), (15366, 83205), (16641, 76830), (16770, 76239), (16942, 75465), (17730, 72111), (18490, 69147), (23049, 55470), (24037, 53190), (25155, 50826), (25413, 50310), (25610, 49923), (26595, 48074), (27735, 46098), (30186, 42355), (33282, 38415)]