78771780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:450

約数の個数: 144

約数和(自身を含む): 254741760

約数和(自身を除く): 175969980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 53, 60, 69, 90, 92, 106, 115, 138, 159, 180, 207, 212, 230, 265, 276, 318, 345, 359, 414, 460, 477, 530, 636, 690, 718, 795, 828, 954, 1035, 1060, 1077, 1219, 1380, 1436, 1590, 1795, 1908, 2070, 2154, 2385, 2438, 3180, 3231, 3590, 3657, 4140, 4308, 4770, 4876, 5385, 6095, 6462, 7180, 7314, 8257, 9540, 10770, 10971, 12190, 12924, 14628, 16155, 16514, 18285, 19027, 21540, 21942, 24380, 24771, 32310, 33028, 36570, 38054, 41285, 43884, 49542, 54855, 57081, 64620, 73140, 74313, 76108, 82570, 95135, 99084, 109710, 114162, 123855, 148626, 165140, 171243, 190270, 219420, 228324, 247710, 285405, 297252, 342486, 371565, 380540, 437621, 495420, 570810, 684972, 743130, 856215, 875242, 1141620, 1312863, 1486260, 1712430, 1750484, 2188105, 2625726, 3424860, 3938589, 4376210, 5251452, 6564315, 7877178, 8752420, 13128630, 15754356, 19692945, 26257260, 39385890, 78771780]

約数ペア:

[(1, 78771780), (2, 39385890), (3, 26257260), (4, 19692945), (5, 15754356), (6, 13128630), (9, 8752420), (10, 7877178), (12, 6564315), (15, 5251452), (18, 4376210), (20, 3938589), (23, 3424860), (30, 2625726), (36, 2188105), (45, 1750484), (46, 1712430), (53, 1486260), (60, 1312863), (69, 1141620), (90, 875242), (92, 856215), (106, 743130), (115, 684972), (138, 570810), (159, 495420), (180, 437621), (207, 380540), (212, 371565), (230, 342486), (265, 297252), (276, 285405), (318, 247710), (345, 228324), (359, 219420), (414, 190270), (460, 171243), (477, 165140), (530, 148626), (636, 123855), (690, 114162), (718, 109710), (795, 99084), (828, 95135), (954, 82570), (1035, 76108), (1060, 74313), (1077, 73140), (1219, 64620), (1380, 57081), (1436, 54855), (1590, 49542), (1795, 43884), (1908, 41285), (2070, 38054), (2154, 36570), (2385, 33028), (2438, 32310), (3180, 24771), (3231, 24380), (3590, 21942), (3657, 21540), (4140, 19027), (4308, 18285), (4770, 16514), (4876, 16155), (5385, 14628), (6095, 12924), (6462, 12190), (7180, 10971), (7314, 10770), (8257, 9540)]