78204735

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{1223}}^1$

素因数の和:1277

約数の個数: 72

約数和(自身を含む): 163257120

約数和(自身を除く): 85052385

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 45, 49, 63, 87, 105, 145, 147, 203, 245, 261, 315, 435, 441, 609, 735, 1015, 1223, 1305, 1421, 1827, 2205, 3045, 3669, 4263, 6115, 7105, 8561, 9135, 11007, 12789, 18345, 21315, 25683, 35467, 42805, 55035, 59927, 63945, 77049, 106401, 128415, 177335, 179781, 248269, 299635, 319203, 385245, 532005, 539343, 744807, 898905, 1241345, 1596015, 1737883, 2234421, 2696715, 3724035, 5213649, 8689415, 11172105, 15640947, 26068245, 78204735]

約数ペア:

[(1, 78204735), (3, 26068245), (5, 15640947), (7, 11172105), (9, 8689415), (15, 5213649), (21, 3724035), (29, 2696715), (35, 2234421), (45, 1737883), (49, 1596015), (63, 1241345), (87, 898905), (105, 744807), (145, 539343), (147, 532005), (203, 385245), (245, 319203), (261, 299635), (315, 248269), (435, 179781), (441, 177335), (609, 128415), (735, 106401), (1015, 77049), (1223, 63945), (1305, 59927), (1421, 55035), (1827, 42805), (2205, 35467), (3045, 25683), (3669, 21315), (4263, 18345), (6115, 12789), (7105, 11007), (8561, 9135)]