637156640

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{6761}}^1$

素因数の和:6826

約数の個数: 96

約数和(自身を含む): 1635863040

約数和(自身を除く): 998706400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 76, 80, 95, 124, 152, 155, 160, 190, 248, 304, 310, 380, 496, 589, 608, 620, 760, 992, 1178, 1240, 1520, 2356, 2480, 2945, 3040, 4712, 4960, 5890, 6761, 9424, 11780, 13522, 18848, 23560, 27044, 33805, 47120, 54088, 67610, 94240, 108176, 128459, 135220, 209591, 216352, 256918, 270440, 419182, 513836, 540880, 642295, 838364, 1027672, 1047955, 1081760, 1284590, 1676728, 2055344, 2095910, 2569180, 3353456, 3982229, 4110688, 4191820, 5138360, 6706912, 7964458, 8383640, 10276720, 15928916, 16767280, 19911145, 20553440, 31857832, 33534560, 39822290, 63715664, 79644580, 127431328, 159289160, 318578320, 637156640]

約数ペア:

[(1, 637156640), (2, 318578320), (4, 159289160), (5, 127431328), (8, 79644580), (10, 63715664), (16, 39822290), (19, 33534560), (20, 31857832), (31, 20553440), (32, 19911145), (38, 16767280), (40, 15928916), (62, 10276720), (76, 8383640), (80, 7964458), (95, 6706912), (124, 5138360), (152, 4191820), (155, 4110688), (160, 3982229), (190, 3353456), (248, 2569180), (304, 2095910), (310, 2055344), (380, 1676728), (496, 1284590), (589, 1081760), (608, 1047955), (620, 1027672), (760, 838364), (992, 642295), (1178, 540880), (1240, 513836), (1520, 419182), (2356, 270440), (2480, 256918), (2945, 216352), (3040, 209591), (4712, 135220), (4960, 128459), (5890, 108176), (6761, 94240), (9424, 67610), (11780, 54088), (13522, 47120), (18848, 33805), (23560, 27044)]