81688950

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{25933}}^1$

素因数の和:25958

約数の個数: 72

約数和(自身を含む): 250833648

約数和(自身を除く): 169144698

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 126, 150, 175, 210, 225, 315, 350, 450, 525, 630, 1050, 1575, 3150, 25933, 51866, 77799, 129665, 155598, 181531, 233397, 259330, 363062, 388995, 466794, 544593, 648325, 777990, 907655, 1089186, 1166985, 1296650, 1633779, 1815310, 1944975, 2333970, 2722965, 3267558, 3889950, 4538275, 5445930, 5834925, 8168895, 9076550, 11669850, 13614825, 16337790, 27229650, 40844475, 81688950]

約数ペア:

[(1, 81688950), (2, 40844475), (3, 27229650), (5, 16337790), (6, 13614825), (7, 11669850), (9, 9076550), (10, 8168895), (14, 5834925), (15, 5445930), (18, 4538275), (21, 3889950), (25, 3267558), (30, 2722965), (35, 2333970), (42, 1944975), (45, 1815310), (50, 1633779), (63, 1296650), (70, 1166985), (75, 1089186), (90, 907655), (105, 777990), (126, 648325), (150, 544593), (175, 466794), (210, 388995), (225, 363062), (315, 259330), (350, 233397), (450, 181531), (525, 155598), (630, 129665), (1050, 77799), (1575, 51866), (3150, 25933)]