1261489800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{463}}^1$

素因数の和:740

約数の個数: 192

約数和(自身を含む): 4142592000

約数和(自身を除く): 2881102200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 25, 30, 38, 40, 50, 57, 60, 75, 76, 95, 100, 114, 120, 150, 152, 190, 200, 228, 239, 285, 300, 380, 456, 463, 475, 478, 570, 600, 717, 760, 926, 950, 956, 1140, 1195, 1389, 1425, 1434, 1852, 1900, 1912, 2280, 2315, 2390, 2778, 2850, 2868, 3585, 3704, 3800, 4541, 4630, 4780, 5556, 5700, 5736, 5975, 6945, 7170, 8797, 9082, 9260, 9560, 11112, 11400, 11575, 11950, 13623, 13890, 14340, 17594, 17925, 18164, 18520, 22705, 23150, 23900, 26391, 27246, 27780, 28680, 34725, 35188, 35850, 36328, 43985, 45410, 46300, 47800, 52782, 54492, 55560, 68115, 69450, 70376, 71700, 87970, 90820, 92600, 105564, 108984, 110657, 113525, 131955, 136230, 138900, 143400, 175940, 181640, 211128, 219925, 221314, 227050, 263910, 272460, 277800, 331971, 340575, 351880, 439850, 442628, 454100, 527820, 544920, 553285, 659775, 663942, 681150, 879700, 885256, 908200, 1055640, 1106570, 1319550, 1327884, 1362300, 1659855, 1759400, 2102483, 2213140, 2639100, 2655768, 2724600, 2766425, 3319710, 4204966, 4426280, 5278200, 5532850, 6307449, 6639420, 8299275, 8409932, 10512415, 11065700, 12614898, 13278840, 16598550, 16819864, 21024830, 22131400, 25229796, 31537245, 33197100, 42049660, 50459592, 52562075, 63074490, 66394200, 84099320, 105124150, 126148980, 157686225, 210248300, 252297960, 315372450, 420496600, 630744900, 1261489800]

約数ペア:

[(1, 1261489800), (2, 630744900), (3, 420496600), (4, 315372450), (5, 252297960), (6, 210248300), (8, 157686225), (10, 126148980), (12, 105124150), (15, 84099320), (19, 66394200), (20, 63074490), (24, 52562075), (25, 50459592), (30, 42049660), (38, 33197100), (40, 31537245), (50, 25229796), (57, 22131400), (60, 21024830), (75, 16819864), (76, 16598550), (95, 13278840), (100, 12614898), (114, 11065700), (120, 10512415), (150, 8409932), (152, 8299275), (190, 6639420), (200, 6307449), (228, 5532850), (239, 5278200), (285, 4426280), (300, 4204966), (380, 3319710), (456, 2766425), (463, 2724600), (475, 2655768), (478, 2639100), (570, 2213140), (600, 2102483), (717, 1759400), (760, 1659855), (926, 1362300), (950, 1327884), (956, 1319550), (1140, 1106570), (1195, 1055640), (1389, 908200), (1425, 885256), (1434, 879700), (1852, 681150), (1900, 663942), (1912, 659775), (2280, 553285), (2315, 544920), (2390, 527820), (2778, 454100), (2850, 442628), (2868, 439850), (3585, 351880), (3704, 340575), (3800, 331971), (4541, 277800), (4630, 272460), (4780, 263910), (5556, 227050), (5700, 221314), (5736, 219925), (5975, 211128), (6945, 181640), (7170, 175940), (8797, 143400), (9082, 138900), (9260, 136230), (9560, 131955), (11112, 113525), (11400, 110657), (11575, 108984), (11950, 105564), (13623, 92600), (13890, 90820), (14340, 87970), (17594, 71700), (17925, 70376), (18164, 69450), (18520, 68115), (22705, 55560), (23150, 54492), (23900, 52782), (26391, 47800), (27246, 46300), (27780, 45410), (28680, 43985), (34725, 36328), (35188, 35850)]