646968420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{463}}^1\times {\mathrm{1109}}^1$

素因数の和:1594

約数の個数: 144

約数和(自身を含む): 2249694720

約数和(自身を除く): 1602726300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 463, 630, 926, 1109, 1260, 1389, 1852, 2218, 2315, 2778, 3241, 3327, 4167, 4436, 4630, 5545, 5556, 6482, 6654, 6945, 7763, 8334, 9260, 9723, 9981, 11090, 12964, 13308, 13890, 15526, 16205, 16635, 16668, 19446, 19962, 20835, 22180, 23289, 27780, 29169, 31052, 32410, 33270, 38815, 38892, 39924, 41670, 46578, 48615, 49905, 58338, 64820, 66540, 69867, 77630, 83340, 93156, 97230, 99810, 116445, 116676, 139734, 145845, 155260, 194460, 199620, 232890, 279468, 291690, 349335, 465780, 513467, 583380, 698670, 1026934, 1397340, 1540401, 2053868, 2567335, 3080802, 3594269, 4621203, 5134670, 6161604, 7188538, 7702005, 9242406, 10269340, 10782807, 14377076, 15404010, 17971345, 18484812, 21565614, 23106015, 30808020, 32348421, 35942690, 43131228, 46212030, 53914035, 64696842, 71885380, 92424060, 107828070, 129393684, 161742105, 215656140, 323484210, 646968420]

約数ペア:

[(1, 646968420), (2, 323484210), (3, 215656140), (4, 161742105), (5, 129393684), (6, 107828070), (7, 92424060), (9, 71885380), (10, 64696842), (12, 53914035), (14, 46212030), (15, 43131228), (18, 35942690), (20, 32348421), (21, 30808020), (28, 23106015), (30, 21565614), (35, 18484812), (36, 17971345), (42, 15404010), (45, 14377076), (60, 10782807), (63, 10269340), (70, 9242406), (84, 7702005), (90, 7188538), (105, 6161604), (126, 5134670), (140, 4621203), (180, 3594269), (210, 3080802), (252, 2567335), (315, 2053868), (420, 1540401), (463, 1397340), (630, 1026934), (926, 698670), (1109, 583380), (1260, 513467), (1389, 465780), (1852, 349335), (2218, 291690), (2315, 279468), (2778, 232890), (3241, 199620), (3327, 194460), (4167, 155260), (4436, 145845), (4630, 139734), (5545, 116676), (5556, 116445), (6482, 99810), (6654, 97230), (6945, 93156), (7763, 83340), (8334, 77630), (9260, 69867), (9723, 66540), (9981, 64820), (11090, 58338), (12964, 49905), (13308, 48615), (13890, 46578), (15526, 41670), (16205, 39924), (16635, 38892), (16668, 38815), (19446, 33270), (19962, 32410), (20835, 31052), (22180, 29169), (23289, 27780)]