78344820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{353}}^1$

素因数の和:511

約数の個数: 120

約数和(自身を含む): 248265864

約数和(自身を除く): 169921044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 137, 162, 180, 270, 274, 324, 353, 405, 411, 540, 548, 685, 706, 810, 822, 1059, 1233, 1370, 1412, 1620, 1644, 1765, 2055, 2118, 2466, 2740, 3177, 3530, 3699, 4110, 4236, 4932, 5295, 6165, 6354, 7060, 7398, 8220, 9531, 10590, 11097, 12330, 12708, 14796, 15885, 18495, 19062, 21180, 22194, 24660, 28593, 31770, 36990, 38124, 44388, 47655, 48361, 55485, 57186, 63540, 73980, 95310, 96722, 110970, 114372, 142965, 145083, 190620, 193444, 221940, 241805, 285930, 290166, 435249, 483610, 571860, 580332, 725415, 870498, 967220, 1305747, 1450830, 1740996, 2176245, 2611494, 2901660, 3917241, 4352490, 5222988, 6528735, 7834482, 8704980, 13057470, 15668964, 19586205, 26114940, 39172410, 78344820]

約数ペア:

[(1, 78344820), (2, 39172410), (3, 26114940), (4, 19586205), (5, 15668964), (6, 13057470), (9, 8704980), (10, 7834482), (12, 6528735), (15, 5222988), (18, 4352490), (20, 3917241), (27, 2901660), (30, 2611494), (36, 2176245), (45, 1740996), (54, 1450830), (60, 1305747), (81, 967220), (90, 870498), (108, 725415), (135, 580332), (137, 571860), (162, 483610), (180, 435249), (270, 290166), (274, 285930), (324, 241805), (353, 221940), (405, 193444), (411, 190620), (540, 145083), (548, 142965), (685, 114372), (706, 110970), (810, 96722), (822, 95310), (1059, 73980), (1233, 63540), (1370, 57186), (1412, 55485), (1620, 48361), (1644, 47655), (1765, 44388), (2055, 38124), (2118, 36990), (2466, 31770), (2740, 28593), (3177, 24660), (3530, 22194), (3699, 21180), (4110, 19062), (4236, 18495), (4932, 15885), (5295, 14796), (6165, 12708), (6354, 12330), (7060, 11097), (7398, 10590), (8220, 9531)]