420750

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1$

素因数の和:51

約数の個数: 96

約数和(自身を含む): 1314144

約数和(自身を除く): 893394

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 17, 18, 22, 25, 30, 33, 34, 45, 50, 51, 55, 66, 75, 85, 90, 99, 102, 110, 125, 150, 153, 165, 170, 187, 198, 225, 250, 255, 275, 306, 330, 374, 375, 425, 450, 495, 510, 550, 561, 750, 765, 825, 850, 935, 990, 1122, 1125, 1275, 1375, 1530, 1650, 1683, 1870, 2125, 2250, 2475, 2550, 2750, 2805, 3366, 3825, 4125, 4250, 4675, 4950, 5610, 6375, 7650, 8250, 8415, 9350, 12375, 12750, 14025, 16830, 19125, 23375, 24750, 28050, 38250, 42075, 46750, 70125, 84150, 140250, 210375, 420750]

約数ペア:

[(1, 420750), (2, 210375), (3, 140250), (5, 84150), (6, 70125), (9, 46750), (10, 42075), (11, 38250), (15, 28050), (17, 24750), (18, 23375), (22, 19125), (25, 16830), (30, 14025), (33, 12750), (34, 12375), (45, 9350), (50, 8415), (51, 8250), (55, 7650), (66, 6375), (75, 5610), (85, 4950), (90, 4675), (99, 4250), (102, 4125), (110, 3825), (125, 3366), (150, 2805), (153, 2750), (165, 2550), (170, 2475), (187, 2250), (198, 2125), (225, 1870), (250, 1683), (255, 1650), (275, 1530), (306, 1375), (330, 1275), (374, 1125), (375, 1122), (425, 990), (450, 935), (495, 850), (510, 825), (550, 765), (561, 750)]