81765900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{1933}}^1$

素因数の和:2000

約数の個数: 108

約数和(自身を含む): 261879072

約数和(自身を除く): 180113172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 47, 50, 60, 75, 90, 94, 100, 141, 150, 180, 188, 225, 235, 282, 300, 423, 450, 470, 564, 705, 846, 900, 940, 1175, 1410, 1692, 1933, 2115, 2350, 2820, 3525, 3866, 4230, 4700, 5799, 7050, 7732, 8460, 9665, 10575, 11598, 14100, 17397, 19330, 21150, 23196, 28995, 34794, 38660, 42300, 48325, 57990, 69588, 86985, 90851, 96650, 115980, 144975, 173970, 181702, 193300, 272553, 289950, 347940, 363404, 434925, 454255, 545106, 579900, 817659, 869850, 908510, 1090212, 1362765, 1635318, 1739700, 1817020, 2271275, 2725530, 3270636, 4088295, 4542550, 5451060, 6813825, 8176590, 9085100, 13627650, 16353180, 20441475, 27255300, 40882950, 81765900]

約数ペア:

[(1, 81765900), (2, 40882950), (3, 27255300), (4, 20441475), (5, 16353180), (6, 13627650), (9, 9085100), (10, 8176590), (12, 6813825), (15, 5451060), (18, 4542550), (20, 4088295), (25, 3270636), (30, 2725530), (36, 2271275), (45, 1817020), (47, 1739700), (50, 1635318), (60, 1362765), (75, 1090212), (90, 908510), (94, 869850), (100, 817659), (141, 579900), (150, 545106), (180, 454255), (188, 434925), (225, 363404), (235, 347940), (282, 289950), (300, 272553), (423, 193300), (450, 181702), (470, 173970), (564, 144975), (705, 115980), (846, 96650), (900, 90851), (940, 86985), (1175, 69588), (1410, 57990), (1692, 48325), (1933, 42300), (2115, 38660), (2350, 34794), (2820, 28995), (3525, 23196), (3866, 21150), (4230, 19330), (4700, 17397), (5799, 14100), (7050, 11598), (7732, 10575), (8460, 9665)]