42091980

素因数分解:

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

素因数の和:268

約数の個数: 144

約数和(自身を含む): 139426560

約数和(自身を除く): 97334580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 103, 105, 139, 140, 147, 196, 206, 210, 245, 278, 294, 309, 412, 417, 420, 490, 515, 556, 588, 618, 695, 721, 735, 834, 973, 980, 1030, 1236, 1390, 1442, 1470, 1545, 1668, 1946, 2060, 2085, 2163, 2780, 2884, 2919, 2940, 3090, 3605, 3892, 4170, 4326, 4865, 5047, 5838, 6180, 6811, 7210, 8340, 8652, 9730, 10094, 10815, 11676, 13622, 14317, 14420, 14595, 15141, 19460, 20188, 20433, 21630, 25235, 27244, 28634, 29190, 30282, 34055, 40866, 42951, 43260, 50470, 57268, 58380, 60564, 68110, 71585, 75705, 81732, 85902, 100219, 100940, 102165, 136220, 143170, 151410, 171804, 200438, 204330, 214755, 286340, 300657, 302820, 400876, 408660, 429510, 501095, 601314, 701533, 859020, 1002190, 1202628, 1403066, 1503285, 2004380, 2104599, 2806132, 3006570, 3507665, 4209198, 6013140, 7015330, 8418396, 10522995, 14030660, 21045990, 42091980]

約数ペア:

[(1, 42091980), (2, 21045990), (3, 14030660), (4, 10522995), (5, 8418396), (6, 7015330), (7, 6013140), (10, 4209198), (12, 3507665), (14, 3006570), (15, 2806132), (20, 2104599), (21, 2004380), (28, 1503285), (30, 1403066), (35, 1202628), (42, 1002190), (49, 859020), (60, 701533), (70, 601314), (84, 501095), (98, 429510), (103, 408660), (105, 400876), (139, 302820), (140, 300657), (147, 286340), (196, 214755), (206, 204330), (210, 200438), (245, 171804), (278, 151410), (294, 143170), (309, 136220), (412, 102165), (417, 100940), (420, 100219), (490, 85902), (515, 81732), (556, 75705), (588, 71585), (618, 68110), (695, 60564), (721, 58380), (735, 57268), (834, 50470), (973, 43260), (980, 42951), (1030, 40866), (1236, 34055), (1390, 30282), (1442, 29190), (1470, 28634), (1545, 27244), (1668, 25235), (1946, 21630), (2060, 20433), (2085, 20188), (2163, 19460), (2780, 15141), (2884, 14595), (2919, 14420), (2940, 14317), (3090, 13622), (3605, 11676), (3892, 10815), (4170, 10094), (4326, 9730), (4865, 8652), (5047, 8340), (5838, 7210), (6180, 6811)]