678300

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:60

約数の個数: 144

約数和(自身を含む): 2499840

約数和(自身を除く): 1821540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 19, 20, 21, 25, 28, 30, 34, 35, 38, 42, 50, 51, 57, 60, 68, 70, 75, 76, 84, 85, 95, 100, 102, 105, 114, 119, 133, 140, 150, 170, 175, 190, 204, 210, 228, 238, 255, 266, 285, 300, 323, 340, 350, 357, 380, 399, 420, 425, 475, 476, 510, 525, 532, 570, 595, 646, 665, 700, 714, 798, 850, 950, 969, 1020, 1050, 1140, 1190, 1275, 1292, 1330, 1425, 1428, 1596, 1615, 1700, 1785, 1900, 1938, 1995, 2100, 2261, 2380, 2550, 2660, 2850, 2975, 3230, 3325, 3570, 3876, 3990, 4522, 4845, 5100, 5700, 5950, 6460, 6650, 6783, 7140, 7980, 8075, 8925, 9044, 9690, 9975, 11305, 11900, 13300, 13566, 16150, 17850, 19380, 19950, 22610, 24225, 27132, 32300, 33915, 35700, 39900, 45220, 48450, 56525, 67830, 96900, 113050, 135660, 169575, 226100, 339150, 678300]

約数ペア:

[(1, 678300), (2, 339150), (3, 226100), (4, 169575), (5, 135660), (6, 113050), (7, 96900), (10, 67830), (12, 56525), (14, 48450), (15, 45220), (17, 39900), (19, 35700), (20, 33915), (21, 32300), (25, 27132), (28, 24225), (30, 22610), (34, 19950), (35, 19380), (38, 17850), (42, 16150), (50, 13566), (51, 13300), (57, 11900), (60, 11305), (68, 9975), (70, 9690), (75, 9044), (76, 8925), (84, 8075), (85, 7980), (95, 7140), (100, 6783), (102, 6650), (105, 6460), (114, 5950), (119, 5700), (133, 5100), (140, 4845), (150, 4522), (170, 3990), (175, 3876), (190, 3570), (204, 3325), (210, 3230), (228, 2975), (238, 2850), (255, 2660), (266, 2550), (285, 2380), (300, 2261), (323, 2100), (340, 1995), (350, 1938), (357, 1900), (380, 1785), (399, 1700), (420, 1615), (425, 1596), (475, 1428), (476, 1425), (510, 1330), (525, 1292), (532, 1275), (570, 1190), (595, 1140), (646, 1050), (665, 1020), (700, 969), (714, 950), (798, 850)]