161707950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:259

約数の個数: 144

約数和(自身を含む): 455144976

約数和(自身を除く): 293437026

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 43, 45, 50, 61, 75, 86, 90, 122, 129, 137, 150, 183, 215, 225, 258, 274, 305, 366, 387, 411, 430, 450, 549, 610, 645, 685, 774, 822, 915, 1075, 1098, 1233, 1290, 1370, 1525, 1830, 1935, 2055, 2150, 2466, 2623, 2745, 3050, 3225, 3425, 3870, 4110, 4575, 5246, 5490, 5891, 6165, 6450, 6850, 7869, 8357, 9150, 9675, 10275, 11782, 12330, 13115, 13725, 15738, 16714, 17673, 19350, 20550, 23607, 25071, 26230, 27450, 29455, 30825, 35346, 39345, 41785, 47214, 50142, 53019, 58910, 61650, 65575, 75213, 78690, 83570, 88365, 106038, 118035, 125355, 131150, 147275, 150426, 176730, 196725, 208925, 236070, 250710, 265095, 294550, 359351, 376065, 393450, 417850, 441825, 530190, 590175, 626775, 718702, 752130, 883650, 1078053, 1180350, 1253550, 1325475, 1796755, 1880325, 2156106, 2650950, 3234159, 3593510, 3760650, 5390265, 6468318, 8983775, 10780530, 16170795, 17967550, 26951325, 32341590, 53902650, 80853975, 161707950]

約数ペア:

[(1, 161707950), (2, 80853975), (3, 53902650), (5, 32341590), (6, 26951325), (9, 17967550), (10, 16170795), (15, 10780530), (18, 8983775), (25, 6468318), (30, 5390265), (43, 3760650), (45, 3593510), (50, 3234159), (61, 2650950), (75, 2156106), (86, 1880325), (90, 1796755), (122, 1325475), (129, 1253550), (137, 1180350), (150, 1078053), (183, 883650), (215, 752130), (225, 718702), (258, 626775), (274, 590175), (305, 530190), (366, 441825), (387, 417850), (411, 393450), (430, 376065), (450, 359351), (549, 294550), (610, 265095), (645, 250710), (685, 236070), (774, 208925), (822, 196725), (915, 176730), (1075, 150426), (1098, 147275), (1233, 131150), (1290, 125355), (1370, 118035), (1525, 106038), (1830, 88365), (1935, 83570), (2055, 78690), (2150, 75213), (2466, 65575), (2623, 61650), (2745, 58910), (3050, 53019), (3225, 50142), (3425, 47214), (3870, 41785), (4110, 39345), (4575, 35346), (5246, 30825), (5490, 29455), (5891, 27450), (6165, 26230), (6450, 25071), (6850, 23607), (7869, 20550), (8357, 19350), (9150, 17673), (9675, 16714), (10275, 15738), (11782, 13725), (12330, 13115)]