18415560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:271

約数の個数: 128

約数和(自身を含む): 59875200

約数和(自身を除く): 41459640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 41, 57, 60, 76, 82, 95, 114, 120, 123, 152, 164, 190, 197, 205, 228, 246, 285, 328, 380, 394, 410, 456, 492, 570, 591, 615, 760, 779, 788, 820, 984, 985, 1140, 1182, 1230, 1558, 1576, 1640, 1970, 2280, 2337, 2364, 2460, 2955, 3116, 3743, 3895, 3940, 4674, 4728, 4920, 5910, 6232, 7486, 7790, 7880, 8077, 9348, 11229, 11685, 11820, 14972, 15580, 16154, 18696, 18715, 22458, 23370, 23640, 24231, 29944, 31160, 32308, 37430, 40385, 44916, 46740, 48462, 56145, 64616, 74860, 80770, 89832, 93480, 96924, 112290, 121155, 149720, 153463, 161540, 193848, 224580, 242310, 306926, 323080, 449160, 460389, 484620, 613852, 767315, 920778, 969240, 1227704, 1534630, 1841556, 2301945, 3069260, 3683112, 4603890, 6138520, 9207780, 18415560]

約数ペア:

[(1, 18415560), (2, 9207780), (3, 6138520), (4, 4603890), (5, 3683112), (6, 3069260), (8, 2301945), (10, 1841556), (12, 1534630), (15, 1227704), (19, 969240), (20, 920778), (24, 767315), (30, 613852), (38, 484620), (40, 460389), (41, 449160), (57, 323080), (60, 306926), (76, 242310), (82, 224580), (95, 193848), (114, 161540), (120, 153463), (123, 149720), (152, 121155), (164, 112290), (190, 96924), (197, 93480), (205, 89832), (228, 80770), (246, 74860), (285, 64616), (328, 56145), (380, 48462), (394, 46740), (410, 44916), (456, 40385), (492, 37430), (570, 32308), (591, 31160), (615, 29944), (760, 24231), (779, 23640), (788, 23370), (820, 22458), (984, 18715), (985, 18696), (1140, 16154), (1182, 15580), (1230, 14972), (1558, 11820), (1576, 11685), (1640, 11229), (1970, 9348), (2280, 8077), (2337, 7880), (2364, 7790), (2460, 7486), (2955, 6232), (3116, 5910), (3743, 4920), (3895, 4728), (3940, 4674)]