618713880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{719}}^1$

素因数の和:905

約数の個数: 128

約数和(自身を含む): 1903564800

約数和(自身を除く): 1284850920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 101, 120, 142, 202, 213, 284, 303, 355, 404, 426, 505, 568, 606, 710, 719, 808, 852, 1010, 1065, 1212, 1420, 1438, 1515, 1704, 2020, 2130, 2157, 2424, 2840, 2876, 3030, 3595, 4040, 4260, 4314, 5752, 6060, 7171, 7190, 8520, 8628, 10785, 12120, 14342, 14380, 17256, 21513, 21570, 28684, 28760, 35855, 43026, 43140, 51049, 57368, 71710, 72619, 86052, 86280, 102098, 107565, 143420, 145238, 153147, 172104, 204196, 215130, 217857, 255245, 286840, 290476, 306294, 363095, 408392, 430260, 435714, 510490, 580952, 612588, 726190, 765735, 860520, 871428, 1020980, 1089285, 1225176, 1452380, 1531470, 1742856, 2041960, 2178570, 2904760, 3062940, 4357140, 5155949, 6125880, 8714280, 10311898, 15467847, 20623796, 25779745, 30935694, 41247592, 51559490, 61871388, 77339235, 103118980, 123742776, 154678470, 206237960, 309356940, 618713880]

約数ペア:

[(1, 618713880), (2, 309356940), (3, 206237960), (4, 154678470), (5, 123742776), (6, 103118980), (8, 77339235), (10, 61871388), (12, 51559490), (15, 41247592), (20, 30935694), (24, 25779745), (30, 20623796), (40, 15467847), (60, 10311898), (71, 8714280), (101, 6125880), (120, 5155949), (142, 4357140), (202, 3062940), (213, 2904760), (284, 2178570), (303, 2041960), (355, 1742856), (404, 1531470), (426, 1452380), (505, 1225176), (568, 1089285), (606, 1020980), (710, 871428), (719, 860520), (808, 765735), (852, 726190), (1010, 612588), (1065, 580952), (1212, 510490), (1420, 435714), (1438, 430260), (1515, 408392), (1704, 363095), (2020, 306294), (2130, 290476), (2157, 286840), (2424, 255245), (2840, 217857), (2876, 215130), (3030, 204196), (3595, 172104), (4040, 153147), (4260, 145238), (4314, 143420), (5752, 107565), (6060, 102098), (7171, 86280), (7190, 86052), (8520, 72619), (8628, 71710), (10785, 57368), (12120, 51049), (14342, 43140), (14380, 43026), (17256, 35855), (21513, 28760), (21570, 28684)]