195530520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{449}}^1$

素因数の和:673

約数の個数: 128

約数和(自身を含む): 622080000

約数和(自身を除く): 426549480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 191, 228, 285, 380, 382, 449, 456, 570, 573, 760, 764, 898, 955, 1140, 1146, 1347, 1528, 1796, 1910, 2245, 2280, 2292, 2694, 2865, 3592, 3629, 3820, 4490, 4584, 5388, 5730, 6735, 7258, 7640, 8531, 8980, 10776, 10887, 11460, 13470, 14516, 17062, 17960, 18145, 21774, 22920, 25593, 26940, 29032, 34124, 36290, 42655, 43548, 51186, 53880, 54435, 68248, 72580, 85310, 85759, 87096, 102372, 108870, 127965, 145160, 170620, 171518, 204744, 217740, 255930, 257277, 341240, 343036, 428795, 435480, 511860, 514554, 686072, 857590, 1023720, 1029108, 1286385, 1629421, 1715180, 2058216, 2572770, 3258842, 3430360, 4888263, 5145540, 6517684, 8147105, 9776526, 10291080, 13035368, 16294210, 19553052, 24441315, 32588420, 39106104, 48882630, 65176840, 97765260, 195530520]

約数ペア:

[(1, 195530520), (2, 97765260), (3, 65176840), (4, 48882630), (5, 39106104), (6, 32588420), (8, 24441315), (10, 19553052), (12, 16294210), (15, 13035368), (19, 10291080), (20, 9776526), (24, 8147105), (30, 6517684), (38, 5145540), (40, 4888263), (57, 3430360), (60, 3258842), (76, 2572770), (95, 2058216), (114, 1715180), (120, 1629421), (152, 1286385), (190, 1029108), (191, 1023720), (228, 857590), (285, 686072), (380, 514554), (382, 511860), (449, 435480), (456, 428795), (570, 343036), (573, 341240), (760, 257277), (764, 255930), (898, 217740), (955, 204744), (1140, 171518), (1146, 170620), (1347, 145160), (1528, 127965), (1796, 108870), (1910, 102372), (2245, 87096), (2280, 85759), (2292, 85310), (2694, 72580), (2865, 68248), (3592, 54435), (3629, 53880), (3820, 51186), (4490, 43548), (4584, 42655), (5388, 36290), (5730, 34124), (6735, 29032), (7258, 26940), (7640, 25593), (8531, 22920), (8980, 21774), (10776, 18145), (10887, 17960), (11460, 17062), (13470, 14516)]