651420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1$

素因数の和:80

約数の個数: 144

約数和(自身を含む): 2515968

約数和(自身を除く): 1864548

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 47, 55, 60, 63, 66, 70, 77, 84, 90, 94, 99, 105, 110, 126, 132, 140, 141, 154, 165, 180, 188, 198, 210, 220, 231, 235, 252, 282, 308, 315, 329, 330, 385, 396, 420, 423, 462, 470, 495, 517, 564, 630, 658, 660, 693, 705, 770, 846, 924, 940, 987, 990, 1034, 1155, 1260, 1316, 1386, 1410, 1540, 1551, 1645, 1692, 1974, 1980, 2068, 2115, 2310, 2585, 2772, 2820, 2961, 3102, 3290, 3465, 3619, 3948, 4230, 4620, 4653, 4935, 5170, 5922, 6204, 6580, 6930, 7238, 7755, 8460, 9306, 9870, 10340, 10857, 11844, 13860, 14476, 14805, 15510, 18095, 18612, 19740, 21714, 23265, 29610, 31020, 32571, 36190, 43428, 46530, 54285, 59220, 65142, 72380, 93060, 108570, 130284, 162855, 217140, 325710, 651420]

約数ペア:

[(1, 651420), (2, 325710), (3, 217140), (4, 162855), (5, 130284), (6, 108570), (7, 93060), (9, 72380), (10, 65142), (11, 59220), (12, 54285), (14, 46530), (15, 43428), (18, 36190), (20, 32571), (21, 31020), (22, 29610), (28, 23265), (30, 21714), (33, 19740), (35, 18612), (36, 18095), (42, 15510), (44, 14805), (45, 14476), (47, 13860), (55, 11844), (60, 10857), (63, 10340), (66, 9870), (70, 9306), (77, 8460), (84, 7755), (90, 7238), (94, 6930), (99, 6580), (105, 6204), (110, 5922), (126, 5170), (132, 4935), (140, 4653), (141, 4620), (154, 4230), (165, 3948), (180, 3619), (188, 3465), (198, 3290), (210, 3102), (220, 2961), (231, 2820), (235, 2772), (252, 2585), (282, 2310), (308, 2115), (315, 2068), (329, 1980), (330, 1974), (385, 1692), (396, 1645), (420, 1551), (423, 1540), (462, 1410), (470, 1386), (495, 1316), (517, 1260), (564, 1155), (630, 1034), (658, 990), (660, 987), (693, 940), (705, 924), (770, 846)]