81242850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{683}}^1$

素因数の和:772

約数の個数: 96

約数和(自身を含む): 220860864

約数和(自身を除く): 139618014

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 61, 65, 75, 78, 122, 130, 150, 183, 195, 305, 325, 366, 390, 610, 650, 683, 793, 915, 975, 1366, 1525, 1586, 1830, 1950, 2049, 2379, 3050, 3415, 3965, 4098, 4575, 4758, 6830, 7930, 8879, 9150, 10245, 11895, 17075, 17758, 19825, 20490, 23790, 26637, 34150, 39650, 41663, 44395, 51225, 53274, 59475, 83326, 88790, 102450, 118950, 124989, 133185, 208315, 221975, 249978, 266370, 416630, 443950, 541619, 624945, 665925, 1041575, 1083238, 1249890, 1331850, 1624857, 2083150, 2708095, 3124725, 3249714, 5416190, 6249450, 8124285, 13540475, 16248570, 27080950, 40621425, 81242850]

約数ペア:

[(1, 81242850), (2, 40621425), (3, 27080950), (5, 16248570), (6, 13540475), (10, 8124285), (13, 6249450), (15, 5416190), (25, 3249714), (26, 3124725), (30, 2708095), (39, 2083150), (50, 1624857), (61, 1331850), (65, 1249890), (75, 1083238), (78, 1041575), (122, 665925), (130, 624945), (150, 541619), (183, 443950), (195, 416630), (305, 266370), (325, 249978), (366, 221975), (390, 208315), (610, 133185), (650, 124989), (683, 118950), (793, 102450), (915, 88790), (975, 83326), (1366, 59475), (1525, 53274), (1586, 51225), (1830, 44395), (1950, 41663), (2049, 39650), (2379, 34150), (3050, 26637), (3415, 23790), (3965, 20490), (4098, 19825), (4575, 17758), (4758, 17075), (6830, 11895), (7930, 10245), (8879, 9150)]