324068420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1297}}^1$

素因数の和:1381

約数の個数: 72

約数和(自身を含む): 757881432

約数和(自身を除く): 433813012

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 961, 1297, 1612, 1922, 2015, 2594, 3844, 4030, 4805, 5188, 6485, 8060, 9610, 12493, 12970, 16861, 19220, 24986, 25940, 33722, 40207, 49972, 62465, 67444, 80414, 84305, 124930, 160828, 168610, 201035, 249860, 337220, 402070, 522691, 804140, 1045382, 1246417, 2090764, 2492834, 2613455, 4985668, 5226910, 6232085, 10453820, 12464170, 16203421, 24928340, 32406842, 64813684, 81017105, 162034210, 324068420]

約数ペア:

[(1, 324068420), (2, 162034210), (4, 81017105), (5, 64813684), (10, 32406842), (13, 24928340), (20, 16203421), (26, 12464170), (31, 10453820), (52, 6232085), (62, 5226910), (65, 4985668), (124, 2613455), (130, 2492834), (155, 2090764), (260, 1246417), (310, 1045382), (403, 804140), (620, 522691), (806, 402070), (961, 337220), (1297, 249860), (1612, 201035), (1922, 168610), (2015, 160828), (2594, 124930), (3844, 84305), (4030, 80414), (4805, 67444), (5188, 62465), (6485, 49972), (8060, 40207), (9610, 33722), (12493, 25940), (12970, 24986), (16861, 19220)]