78893880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{491}}^1$

素因数の和:621

約数の個数: 128

約数和(自身を含む): 257886720

約数和(自身を除く): 178992840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 103, 104, 120, 130, 156, 195, 206, 260, 309, 312, 390, 412, 491, 515, 520, 618, 780, 824, 982, 1030, 1236, 1339, 1473, 1545, 1560, 1964, 2060, 2455, 2472, 2678, 2946, 3090, 3928, 4017, 4120, 4910, 5356, 5892, 6180, 6383, 6695, 7365, 8034, 9820, 10712, 11784, 12360, 12766, 13390, 14730, 16068, 19149, 19640, 20085, 25532, 26780, 29460, 31915, 32136, 38298, 40170, 50573, 51064, 53560, 58920, 63830, 76596, 80340, 95745, 101146, 127660, 151719, 153192, 160680, 191490, 202292, 252865, 255320, 303438, 382980, 404584, 505730, 606876, 657449, 758595, 765960, 1011460, 1213752, 1314898, 1517190, 1972347, 2022920, 2629796, 3034380, 3287245, 3944694, 5259592, 6068760, 6574490, 7889388, 9861735, 13148980, 15778776, 19723470, 26297960, 39446940, 78893880]

約数ペア:

[(1, 78893880), (2, 39446940), (3, 26297960), (4, 19723470), (5, 15778776), (6, 13148980), (8, 9861735), (10, 7889388), (12, 6574490), (13, 6068760), (15, 5259592), (20, 3944694), (24, 3287245), (26, 3034380), (30, 2629796), (39, 2022920), (40, 1972347), (52, 1517190), (60, 1314898), (65, 1213752), (78, 1011460), (103, 765960), (104, 758595), (120, 657449), (130, 606876), (156, 505730), (195, 404584), (206, 382980), (260, 303438), (309, 255320), (312, 252865), (390, 202292), (412, 191490), (491, 160680), (515, 153192), (520, 151719), (618, 127660), (780, 101146), (824, 95745), (982, 80340), (1030, 76596), (1236, 63830), (1339, 58920), (1473, 53560), (1545, 51064), (1560, 50573), (1964, 40170), (2060, 38298), (2455, 32136), (2472, 31915), (2678, 29460), (2946, 26780), (3090, 25532), (3928, 20085), (4017, 19640), (4120, 19149), (4910, 16068), (5356, 14730), (5892, 13390), (6180, 12766), (6383, 12360), (6695, 11784), (7365, 10712), (8034, 9820)]