1521783720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{74161}}^1$

素因数の和:74200

約数の個数: 128

約数和(自身を含む): 5339664000

約数和(自身を除く): 3817880280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1080, 1140, 1368, 1710, 2052, 2280, 2565, 3420, 4104, 5130, 6840, 10260, 20520, 74161, 148322, 222483, 296644, 370805, 444966, 593288, 667449, 741610, 889932, 1112415, 1334898, 1409059, 1483220, 1779864, 2002347, 2224830, 2669796, 2818118, 2966440, 3337245, 4004694, 4227177, 4449660, 5339592, 5636236, 6674490, 7045295, 8009388, 8454354, 8899320, 10011735, 11272472, 12681531, 13348980, 14090590, 16018776, 16908708, 20023470, 21135885, 25363062, 26697960, 28181180, 33817416, 38044593, 40046940, 42271770, 50726124, 56362360, 63407655, 76089186, 80093880, 84543540, 101452248, 126815310, 152178372, 169087080, 190222965, 253630620, 304356744, 380445930, 507261240, 760891860, 1521783720]

約数ペア:

[(1, 1521783720), (2, 760891860), (3, 507261240), (4, 380445930), (5, 304356744), (6, 253630620), (8, 190222965), (9, 169087080), (10, 152178372), (12, 126815310), (15, 101452248), (18, 84543540), (19, 80093880), (20, 76089186), (24, 63407655), (27, 56362360), (30, 50726124), (36, 42271770), (38, 40046940), (40, 38044593), (45, 33817416), (54, 28181180), (57, 26697960), (60, 25363062), (72, 21135885), (76, 20023470), (90, 16908708), (95, 16018776), (108, 14090590), (114, 13348980), (120, 12681531), (135, 11272472), (152, 10011735), (171, 8899320), (180, 8454354), (190, 8009388), (216, 7045295), (228, 6674490), (270, 5636236), (285, 5339592), (342, 4449660), (360, 4227177), (380, 4004694), (456, 3337245), (513, 2966440), (540, 2818118), (570, 2669796), (684, 2224830), (760, 2002347), (855, 1779864), (1026, 1483220), (1080, 1409059), (1140, 1334898), (1368, 1112415), (1710, 889932), (2052, 741610), (2280, 667449), (2565, 593288), (3420, 444966), (4104, 370805), (5130, 296644), (6840, 222483), (10260, 148322), (20520, 74161)]