81261360

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2213}}^1$

素因数の和:2252

約数の個数: 160

約数和(自身を含む): 296498880

約数和(自身を除く): 215237520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 48, 51, 54, 60, 68, 72, 80, 85, 90, 102, 108, 120, 135, 136, 144, 153, 170, 180, 204, 216, 240, 255, 270, 272, 306, 340, 360, 408, 432, 459, 510, 540, 612, 680, 720, 765, 816, 918, 1020, 1080, 1224, 1360, 1530, 1836, 2040, 2160, 2213, 2295, 2448, 3060, 3672, 4080, 4426, 4590, 6120, 6639, 7344, 8852, 9180, 11065, 12240, 13278, 17704, 18360, 19917, 22130, 26556, 33195, 35408, 36720, 37621, 39834, 44260, 53112, 59751, 66390, 75242, 79668, 88520, 99585, 106224, 112863, 119502, 132780, 150484, 159336, 177040, 188105, 199170, 225726, 239004, 265560, 298755, 300968, 318672, 338589, 376210, 398340, 451452, 478008, 531120, 564315, 597510, 601936, 677178, 752420, 796680, 902904, 956016, 1015767, 1128630, 1195020, 1354356, 1504840, 1593360, 1692945, 1805808, 2031534, 2257260, 2390040, 2708712, 3009680, 3385890, 4063068, 4514520, 4780080, 5078835, 5417424, 6771780, 8126136, 9029040, 10157670, 13543560, 16252272, 20315340, 27087120, 40630680, 81261360]

約数ペア:

[(1, 81261360), (2, 40630680), (3, 27087120), (4, 20315340), (5, 16252272), (6, 13543560), (8, 10157670), (9, 9029040), (10, 8126136), (12, 6771780), (15, 5417424), (16, 5078835), (17, 4780080), (18, 4514520), (20, 4063068), (24, 3385890), (27, 3009680), (30, 2708712), (34, 2390040), (36, 2257260), (40, 2031534), (45, 1805808), (48, 1692945), (51, 1593360), (54, 1504840), (60, 1354356), (68, 1195020), (72, 1128630), (80, 1015767), (85, 956016), (90, 902904), (102, 796680), (108, 752420), (120, 677178), (135, 601936), (136, 597510), (144, 564315), (153, 531120), (170, 478008), (180, 451452), (204, 398340), (216, 376210), (240, 338589), (255, 318672), (270, 300968), (272, 298755), (306, 265560), (340, 239004), (360, 225726), (408, 199170), (432, 188105), (459, 177040), (510, 159336), (540, 150484), (612, 132780), (680, 119502), (720, 112863), (765, 106224), (816, 99585), (918, 88520), (1020, 79668), (1080, 75242), (1224, 66390), (1360, 59751), (1530, 53112), (1836, 44260), (2040, 39834), (2160, 37621), (2213, 36720), (2295, 35408), (2448, 33195), (3060, 26556), (3672, 22130), (4080, 19917), (4426, 18360), (4590, 17704), (6120, 13278), (6639, 12240), (7344, 11065), (8852, 9180)]