320139945

素因数分解:

$3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{593}}^1$

素因数の和:684

約数の個数: 80

約数和(自身を含む): 607191552

約数和(自身を除く): 287051607

約数列:

[1, 3, 5, 9, 15, 27, 31, 43, 45, 81, 93, 129, 135, 155, 215, 279, 387, 405, 465, 593, 645, 837, 1161, 1333, 1395, 1779, 1935, 2511, 2965, 3483, 3999, 4185, 5337, 5805, 6665, 8895, 11997, 12555, 16011, 17415, 18383, 19995, 25499, 26685, 35991, 48033, 55149, 59985, 76497, 80055, 91915, 107973, 127495, 165447, 179955, 229491, 240165, 275745, 382485, 496341, 539865, 688473, 790469, 827235, 1147455, 1489023, 2065419, 2371407, 2481705, 3442365, 3952345, 7114221, 7445115, 10327095, 11857035, 21342663, 35571105, 64027989, 106713315, 320139945]

約数ペア:

[(1, 320139945), (3, 106713315), (5, 64027989), (9, 35571105), (15, 21342663), (27, 11857035), (31, 10327095), (43, 7445115), (45, 7114221), (81, 3952345), (93, 3442365), (129, 2481705), (135, 2371407), (155, 2065419), (215, 1489023), (279, 1147455), (387, 827235), (405, 790469), (465, 688473), (593, 539865), (645, 496341), (837, 382485), (1161, 275745), (1333, 240165), (1395, 229491), (1779, 179955), (1935, 165447), (2511, 127495), (2965, 107973), (3483, 91915), (3999, 80055), (4185, 76497), (5337, 59985), (5805, 55149), (6665, 48033), (8895, 35991), (11997, 26685), (12555, 25499), (16011, 19995), (17415, 18383)]