18039420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:264

約数の個数: 144

約数和(自身を含む): 63598080

約数和(自身を除く): 45558660

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, 103, 105, 126, 139, 140, 180, 206, 210, 252, 278, 309, 315, 412, 417, 420, 515, 556, 618, 630, 695, 721, 834, 927, 973, 1030, 1236, 1251, 1260, 1390, 1442, 1545, 1668, 1854, 1946, 2060, 2085, 2163, 2502, 2780, 2884, 2919, 3090, 3605, 3708, 3892, 4170, 4326, 4635, 4865, 5004, 5838, 6180, 6255, 6489, 7210, 8340, 8652, 8757, 9270, 9730, 10815, 11676, 12510, 12978, 14317, 14420, 14595, 17514, 18540, 19460, 21630, 25020, 25956, 28634, 29190, 32445, 35028, 42951, 43260, 43785, 57268, 58380, 64890, 71585, 85902, 87570, 100219, 128853, 129780, 143170, 171804, 175140, 200438, 214755, 257706, 286340, 300657, 400876, 429510, 501095, 515412, 601314, 644265, 859020, 901971, 1002190, 1202628, 1288530, 1503285, 1803942, 2004380, 2577060, 3006570, 3607884, 4509855, 6013140, 9019710, 18039420]

約数ペア:

[(1, 18039420), (2, 9019710), (3, 6013140), (4, 4509855), (5, 3607884), (6, 3006570), (7, 2577060), (9, 2004380), (10, 1803942), (12, 1503285), (14, 1288530), (15, 1202628), (18, 1002190), (20, 901971), (21, 859020), (28, 644265), (30, 601314), (35, 515412), (36, 501095), (42, 429510), (45, 400876), (60, 300657), (63, 286340), (70, 257706), (84, 214755), (90, 200438), (103, 175140), (105, 171804), (126, 143170), (139, 129780), (140, 128853), (180, 100219), (206, 87570), (210, 85902), (252, 71585), (278, 64890), (309, 58380), (315, 57268), (412, 43785), (417, 43260), (420, 42951), (515, 35028), (556, 32445), (618, 29190), (630, 28634), (695, 25956), (721, 25020), (834, 21630), (927, 19460), (973, 18540), (1030, 17514), (1236, 14595), (1251, 14420), (1260, 14317), (1390, 12978), (1442, 12510), (1545, 11676), (1668, 10815), (1854, 9730), (1946, 9270), (2060, 8757), (2085, 8652), (2163, 8340), (2502, 7210), (2780, 6489), (2884, 6255), (2919, 6180), (3090, 5838), (3605, 5004), (3708, 4865), (3892, 4635), (4170, 4326)]