78020820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2833}}^1$

素因数の和:2871

約数の個数: 120

約数和(自身を含む): 259242984

約数和(自身を除く): 181222164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 81, 85, 90, 102, 108, 135, 153, 162, 170, 180, 204, 255, 270, 306, 324, 340, 405, 459, 510, 540, 612, 765, 810, 918, 1020, 1377, 1530, 1620, 1836, 2295, 2754, 2833, 3060, 4590, 5508, 5666, 6885, 8499, 9180, 11332, 13770, 14165, 16998, 25497, 27540, 28330, 33996, 42495, 48161, 50994, 56660, 76491, 84990, 96322, 101988, 127485, 144483, 152982, 169980, 192644, 229473, 240805, 254970, 288966, 305964, 382455, 433449, 458946, 481610, 509940, 577932, 722415, 764910, 866898, 917892, 963220, 1147365, 1300347, 1444830, 1529820, 1733796, 2167245, 2294730, 2600694, 2889660, 3901041, 4334490, 4589460, 5201388, 6501735, 7802082, 8668980, 13003470, 15604164, 19505205, 26006940, 39010410, 78020820]

約数ペア:

[(1, 78020820), (2, 39010410), (3, 26006940), (4, 19505205), (5, 15604164), (6, 13003470), (9, 8668980), (10, 7802082), (12, 6501735), (15, 5201388), (17, 4589460), (18, 4334490), (20, 3901041), (27, 2889660), (30, 2600694), (34, 2294730), (36, 2167245), (45, 1733796), (51, 1529820), (54, 1444830), (60, 1300347), (68, 1147365), (81, 963220), (85, 917892), (90, 866898), (102, 764910), (108, 722415), (135, 577932), (153, 509940), (162, 481610), (170, 458946), (180, 433449), (204, 382455), (255, 305964), (270, 288966), (306, 254970), (324, 240805), (340, 229473), (405, 192644), (459, 169980), (510, 152982), (540, 144483), (612, 127485), (765, 101988), (810, 96322), (918, 84990), (1020, 76491), (1377, 56660), (1530, 50994), (1620, 48161), (1836, 42495), (2295, 33996), (2754, 28330), (2833, 27540), (3060, 25497), (4590, 16998), (5508, 14165), (5666, 13770), (6885, 11332), (8499, 9180)]